src/lharc.c

   1 /* ------------------------------------------------------------------------ */
   2 /* LHa for UNIX                                                                                                                         */
   3 /*                              lharc.c -- append to archive                                                            */
   4 /*                                                                                                                                                      */
   5 /*              Copyright (C) MCMLXXXIX Yooichi.Tagawa                                                          */
   6 /*              Modified                        Nobutaka Watazaki                                                       */
   7 /*                                                      Thanks to H.Yoshizaki. (MS-DOS LHarc)                   */
   8 /*                                                                                                                                                      */
   9 /*  Ver. 0.00  Original                                                 1988.05.23  Y.Tagawa            */
  10 /*  Ver. 0.01  Alpha Version (for 4.2BSD)               1989.05.28  Y.Tagawa            */
  11 /*  Ver. 0.02  Alpha Version Rel.2                              1989.05.29  Y.Tagawa            */
  12 /*  Ver. 0.03  Release #3  Beta Version                 1989.07.02  Y.Tagawa            */
  13 /*  Ver. 0.03a Debug                                                    1989.07.03  Y.Tagawa            */
  14 /*  Ver. 0.03b Modified                                                 1989.07.13  Y.Tagawa            */
  15 /*  Ver. 0.03c Debug (Thanks to void@rena.dit.junet)                                            */
  16 /*                                                                                              1989.08.09  Y.Tagawa            */
  17 /*  Ver. 0.03d Modified (quiet and verbose)             1989.09.14  Y.Tagawa            */
  18 /*  V1.00  Fixed                                                                1989.09.22  Y.Tagawa            */
  19 /*  V1.01  Bug Fixed                                                    1989.12.25  Y.Tagawa            */
  20 /*                                                                                                                                                      */
  21 /*  DOS-Version Original LHx V C2.01            (C) H.Yohizaki                                  */
  22 /*                                                                                                                                                      */
  23 /*  V2.00  UNIX Lharc + DOS LHx -> OSK LHx              1990.11.01  Momozou                     */
  24 /*  V2.01  Minor Modified                                               1990.11.24  Momozou                     */
  25 /*                                                                                                                                                      */
  26 /*  Ver. 0.02  LHx for UNIX                                             1991.11.18  M.Oki                       */
  27 /*  Ver. 0.03  LHa for UNIX                                             1991.12.17  M.Oki                       */
  28 /*  Ver. 0.04  LHa for UNIX     beta version            1992.01.20  M.Oki                       */
  29 /*  Ver. 1.00  LHa for UNIX     Fixed                           1992.03.19  M.Oki                       */
  30 /*                                                                                                                                                      */
  31 /*  Ver. 1.10  for Symblic Link                                 1993.06.25  N.Watazaki          */
  32 /*  Ver. 1.11  for Symblic Link Bug Fixed               1993.08.18  N.Watazaki          */
  33 /*  Ver. 1.12  for File Date Check                              1993.10.28  N.Watazaki          */
  34 /*  Ver. 1.13  Bug Fixed (Idicator calcurate)   1994.02.21  N.Watazaki          */
  35 /*  Ver. 1.13a Bug Fixed (Sym. Link delete)             1994.03.11  N.Watazaki          */
  36 /*      Ver. 1.13b Bug Fixed (Sym. Link delete)         1994.07.29  N.Watazaki          */
  37 /*      Ver. 1.14  Source All chagned                           1995.01.14      N.Watazaki              */
  38 /*      Ver. 1.14b,c  Bug Fixed                     1996.03.07  t.okamoto               */
  39 /*  Ver. 1.14d Version up                       1997.01.12  t.okamoto       */
  40 /*  Ver. 1.14g Bug Fixed                        2000.05.06  t.okamoto       */
  41 /*  Ver. 1.14i Modified                         2000.10.06  t.okamoto       */
  42 /* ------------------------------------------------------------------------ */
  43 #define LHA_MAIN_SRC
  44
  45 #include "lha.h"
  46
  47 /* ------------------------------------------------------------------------ */
  48 /*                                                              PROGRAM                                                                         */
  49 /* ------------------------------------------------------------------------ */
  50 static int      cmd = CMD_UNKNOWN;
  51
  52 /* 1996.8.13 t.okamoto */
  53 #if 0
  54 char          **cmd_filev;
  55 int             cmd_filec;
  56
  57 char           *archive_name;
  58 char            expanded_archive_name[FILENAME_LENGTH];
  59 char            temporary_name[FILENAME_LENGTH];
  60 char            backup_archive_name[FILENAME_LENGTH];
  61 #endif
  62
  63 /* static functions */
  64 static void     sort_files();
  65 static void             print_version();
  66
  67 char                *extract_directory = NULL;
  68 char              **xfilev;
  69 int             xfilec = 257;
  70
  71 /* 1996.8.13 t.okamoto */
  72 #if 0
  73 char           *writting_filename;
  74 char           *reading_filename;
  75
  76 int             archive_file_mode;
  77 int             archive_file_gid;
  78 #endif
  79 /* ------------------------------------------------------------------------ */
  80 static void
  81 init_variable()         /* Added N.Watazaki */
  82 {
  83 /* options */
  84         quiet                   = FALSE;
  85         text_mode               = FALSE;
  86         verbose                 = FALSE;
  87         noexec                  = FALSE;        /* debugging option */
  88         force                   = FALSE;
  89         prof                    = FALSE;
  90 #ifndef SUPPORT_LH7
  91         compress_method = LZHUFF5_METHOD_NUM;
  92 #endif
  93 #ifdef SUPPORT_LH7
  94         compress_method = LZHUFF7_METHOD_NUM;
  95 #endif
  96
  97         header_level    = HEADER_LEVEL1;
  98         quiet_mode              = 0;
  99
 100 #ifdef EUC
 101         euc_mode                = FALSE;
 102 #endif
 103
 104 /* view command flags */
 105         verbose_listing = FALSE;
 106
 107 /* extract command flags */
 108         output_to_stdout = FALSE;
 109
 110 /* append command flags */
 111         new_archive                     = FALSE;
 112         update_if_newer         = FALSE;
 113         delete_after_append = FALSE;
 114         generic_format          = FALSE;
 115
 116         remove_temporary_at_error                               = FALSE;
 117         recover_archive_when_interrupt                  = FALSE;
 118         remove_extracting_file_when_interrupt   = FALSE;
 119         get_filename_from_stdin                                 = FALSE;
 120         ignore_directory                                                = FALSE;
 121         verify_mode                                                             = FALSE;
 122
 123         noconvertcase                                                   = FALSE;
 124
 125         extract_directory = NULL;
 126         xfilec = 257;
 127 }
 128
 129 /* ------------------------------------------------------------------------ */
 130 /* NOTES :                      Text File Format                                                                                */
 131 /* GENERATOR            NewLine                                                                                                 */
 132 /* [generic]            0D 0A                                                                                                   */
 133 /* [MS-DOS]                     0D 0A                                                                                                   */
 134 /* [OS9][MacOS]         0D                                                                                                              */
 135 /* [UNIX]                       0A                                                                                                              */
 136 /* ------------------------------------------------------------------------ */
 137 static void
 138 print_tiny_usage_and_exit()
 139 {
 140         fprintf(stderr, "\
 141 LHarc    for UNIX  V 1.02  Copyright(C) 1989  Y.Tagawa\n\
 142 LHx      for MSDOS V C2.01 Copyright(C) 1990  H.Yoshizaki\n\
 143 LHx(arc) for OSK   V 2.01  Modified     1990  Momozou\n\
 144 LHa      for UNIX  V 1.00  Copyright(C) 1992  Masaru Oki\n\
 145 LHa      for UNIX  V 1.14  Modified     1995  Nobutaka Watazaki\n\
 146 LHa      for UNIX  V 1.14i Modified     2000  Tsugio Okamoto\n\
 147 ");
 148         fprintf(stderr, "\
 149 usage: lha [-]{axelvudmcp[q[num]][vnfodizg012]}[w=<dir>] archive_file [file...]\n\
 150 commands:                           options:\n\
 151  a   Add(or replace) to archive      q{num} quiet (num:quiet mode)\n\
 152  x,e EXtract from archive            v  verbose\n\
 153  l,v List / Verbose List             n  not execute\n\
 154  u   Update newer files to archive   f  force (over write at extract)\n\
 155  d   Delete from archive             t  FILES are TEXT file\n");
 156 #ifdef SUPPORT_LH7
 157         fprintf(stderr, "\
 158  m   Move to archive (means 'ad')    o[567] compression method (a/u)\n\
 159 ");
 160 #endif
 161 #ifndef SUPPORT_LH7
 162         fprintf(stderr, "\
 163  m   Move to archive (means 'ad')    o  use LHarc compatible method (a/u)\n\
 164 ");
 165 #endif
 166         fprintf(stderr, "\
 167  c   re-Construct new archive        w=<dir> specify extract directory (a/u/m/x/e)\n\
 168  p   Print to STDOUT from archive    d  delete FILES after (a/u/c)\n\
 169  t   Test file CRC in archive        i  ignore directory path (x/e)\n\
 170                                      z  files not compress (a/u)\n\
 171                                      g  Generic format (for compatibility)\n\
 172                                         or not convert case when extracting\n\
 173                                      0/1/2 header level (a/u)\n\
 174 ");
 175 #ifdef EUC
 176         fprintf(stderr, "\
 177                                      e  TEXT code convert from/to EUC\n\
 178 ");
 179 #endif
 180         exit(1);
 181 }
 182
 183 /* ------------------------------------------------------------------------ */
 184 int
 185 main(argc, argv)
 186         int             argc;
 187         char           *argv[];
 188 {
 189         char           *p, inpbuf[256];
 190
 191         int i;
 192         int  ac;
 193         char **av, *m;
 194
 195         init_variable();                /* Added N.Watazaki */
 196
 197         ac = argc;
 198         av = (char **)malloc( sizeof(char*)*argc );
 199         if (av == NULL) fatal_error("not enough memory\n");
 200         for (i=0; i<argc; i++) {
 201           if ((av[i] = strdup( argv[i] )) == NULL)
 202                 fatal_error("not enough memory\n");
 203         }
 204
 205         if (ac < 2)
 206                 print_tiny_usage_and_exit();
 207
 208         if (strcmp(av[1], "--version") == 0) {
 209                 print_version();
 210                 exit(1);
 211         }
 212
 213         if (ac < 3) {
 214                 cmd = CMD_LIST;
 215                 av--; /* argv--; */ /* 1999.7.18 */
 216                 ac++; /* argc++; */
 217                 goto work;
 218         }
 219
 220         m = av[1];
 221
 222         if (m[0] == '-')
 223                 m++;
 224         /* commands */
 225         switch (*m) {
 226         case 'x':
 227         case 'e':
 228                 cmd = CMD_EXTRACT;
 229                 break;
 230
 231         case 'p':
 232                 output_to_stdout = TRUE;
 233                 cmd = CMD_EXTRACT;
 234                 break;
 235
 236         case 'c':
 237                 new_archive = TRUE;
 238                 cmd = CMD_ADD;
 239                 break;
 240
 241         case 'a':
 242                 cmd = CMD_ADD;
 243                 break;
 244
 245         case 'd':
 246                 cmd = CMD_DELETE;
 247                 break;
 248
 249         case 'u':
 250                 update_if_newer = TRUE;
 251                 cmd = CMD_ADD;
 252                 break;
 253
 254         case 'm':
 255                 delete_after_append = TRUE;
 256                 cmd = CMD_ADD;
 257                 break;
 258
 259         case 'v':
 260                 verbose_listing = TRUE;
 261                 cmd = CMD_LIST;
 262                 break;
 263
 264         case 'l':
 265                 cmd = CMD_LIST;
 266                 break;
 267
 268         case 't':
 269                 cmd = CMD_EXTRACT;
 270                 verify_mode = TRUE;
 271                 break;
 272
 273         default:
 274                 print_tiny_usage_and_exit();
 275
 276         }
 277
 278         /* options */
 279         /* p = &argv[1][1]; */
 280         p = m+1;
 281         while ( *p != 0 ) {
 282                 switch ((*p++)) {
 283                 case 'q':
 284                         switch (*p) {
 285                         case '0':
 286                         case '1':
 287                                 quiet_mode = *p - '0';
 288                                 ++p;
 289                                 break;
 290                         case '2':
 291                         default:
 292                                 quiet = TRUE;
 293                                 break;
 294                         }
 295                 case 'f':
 296                         force = TRUE;
 297                         break;
 298                 case 'p':
 299                         prof = TRUE;
 300                         break;
 301                 case 'v':
 302                         verbose = TRUE;
 303                         break;
 304                 case 't':
 305                         text_mode = TRUE;
 306                         break;
 307 #ifdef EUC
 308                 case 'e':
 309                         text_mode = TRUE;
 310                         euc_mode = TRUE;
 311                         break;
 312 #endif
 313                 case 'n':
 314                         noexec = TRUE;
 315                         break;
 316                 case 'g':
 317                         generic_format = TRUE;
 318                         noconvertcase = TRUE;
 319                         header_level = 0;
 320                         break;
 321                 case 'd':
 322                         delete_after_append = TRUE;
 323                         break;
 324                 case 'o':
 325                         switch (*p) {
 326                         case 0:
 327                                 compress_method = LZHUFF1_METHOD_NUM;
 328                                 header_level = 0;
 329                                 break;
 330                         case '5':
 331                                 compress_method = LZHUFF5_METHOD_NUM;
 332                                 p++;
 333                                 break;
 334 #ifdef SUPPORT_LH7
 335                         case '6':
 336                                 compress_method = LZHUFF6_METHOD_NUM;
 337                                 p++;
 338                                 break;
 339                         case '7':
 340                                 compress_method = LZHUFF7_METHOD_NUM;
 341                                 p++;
 342                                 break;
 343 #endif
 344                         default:
 345                                 fprintf(stderr, "LHa: error option o%c\n", p[-1]);
 346                                 exit(1);
 347                         }
 348                         break;
 349                 case 'z':
 350                         compress_method = LZHUFF0_METHOD_NUM;   /* Changed N.Watazaki */
 351                         break;
 352                 case 'i':
 353                         ignore_directory = TRUE;
 354                         break;
 355                 case 'w':
 356                         if (*p == '=')
 357                                 p++;
 358                         extract_directory = p;
 359                         while (*p)
 360                                 p++;
 361                         break;
 362                 case '0':
 363                         header_level = HEADER_LEVEL0;
 364                         break;
 365                 case '1':
 366                         header_level = HEADER_LEVEL1;
 367                         break;
 368                 case '2':
 369                         header_level = HEADER_LEVEL2;
 370                         break;
 371                 default:
 372                         fprintf(stderr, "LHa: Unknown option '%c'.\n", p[-1]);
 373                         exit(1);
 374                 }
 375         }
 376
 377 work:
 378         /* archive file name */
 379         archive_name = av[2];
 380
 381         if (!strcmp(archive_name, "-")) {
 382                 if (!isatty(1) && cmd == CMD_ADD)
 383                         quiet = TRUE;
 384         }
 385         else {
 386                 if (ac == 3 && !isatty(0)) { /* 1999.7.18 */
 387                         get_filename_from_stdin = TRUE;
 388                 }
 389         }
 390
 391         /* target file name */
 392         if (get_filename_from_stdin) {
 393                 cmd_filec = 0;
 394                 if ((xfilev = (char **) malloc(sizeof(char *) * xfilec)) == NULL)
 395                         fatal_error("Virtual memory exhausted\n");
 396                 while (fgets(inpbuf, sizeof(inpbuf), stdin)) {
 397                     /* delete \n if it exist */
 398                         i=0; p=inpbuf;
 399                         while (i < sizeof(inpbuf) && p != 0) {
 400                             if (*p == '\n') {
 401                                     *p = 0;
 402                                         break;
 403                                 }
 404                                 p++; i++;
 405                         }
 406
 407                         if (cmd_filec >= xfilec) {
 408                                 xfilec += 256;
 409                                 cmd_filev = (char **) realloc(xfilev,
 410                                                    sizeof(char *) * xfilec);
 411                                 if (cmd_filev == NULL)
 412                                         fatal_error("Virtual memory exhausted\n");
 413                                 xfilev = cmd_filev;
 414                         }
 415                         if (strlen(inpbuf) < 1)
 416                                 continue;
 417                         if ((xfilev[cmd_filec++] = (char *) strdup(inpbuf)) == NULL)
 418                                 fatal_error("Virtual memory exhausted\n");
 419                 }
 420                 xfilev[cmd_filec] = NULL;
 421                 cmd_filev = xfilev;
 422         } else {
 423                 cmd_filec = ac - 3;
 424                 cmd_filev = av + 3;
 425         }
 426         sort_files();
 427
 428         /* make crc table */
 429         make_crctable();
 430
 431         switch (cmd) {
 432         case CMD_EXTRACT:
 433                 cmd_extract();
 434                 break;
 435         case CMD_ADD:
 436                 cmd_add();
 437                 break;
 438         case CMD_LIST:
 439                 cmd_list();
 440                 break;
 441         case CMD_DELETE:
 442                 cmd_delete();
 443                 break;
 444         }
 445
 446 #ifdef USE_PROF
 447         if (!prof)
 448                 exit(0);
 449 #endif
 450
 451         return 0;
 452 }
 453
 454
 455 /* ------------------------------------------------------------------------ */
 456 /* */
 457 /* ------------------------------------------------------------------------ */
 458
 459 /* ------------------------------------------------------------------------ */
 460 static void
 461 print_version()
 462 {
 463         fprintf(stderr, "%s\n", LHA_VERSION);
 464 }
 465
 466 /* ------------------------------------------------------------------------ */
 467 static void
 468 message_1(title, subject, name)
 469         char           *title, *subject, *name;
 470 {
 471         fprintf(stderr, "LHa: %s%s ", title, subject);
 472         fflush(stderr);
 473
 474         if (errno == 0)
 475                 fprintf(stderr, "%s\n", name);
 476         else
 477                 perror(name);
 478 }
 479
 480 /* ------------------------------------------------------------------------ */
 481 void
 482 message(subject, name)
 483         char           *subject, *name;
 484 {
 485         message_1("", subject, name);
 486 }
 487
 488 /* ------------------------------------------------------------------------ */
 489 void
 490 warning(subject, name)
 491         char           *subject, *name;
 492 {
 493         message_1("Warning: ", subject, name);
 494 }
 495
 496 /* ------------------------------------------------------------------------ */
 497 void
 498 error(subject, msg)
 499         char           *subject, *msg;
 500 {
 501         message_1("Error: ", subject, msg);
 502 }
 503
 504 /* ------------------------------------------------------------------------ */
 505 void
 506 fatal_error(msg)
 507         char           *msg;
 508 {
 509         message_1("Fatal error:", "", msg);
 510
 511         if (remove_temporary_at_error)
 512                 unlink(temporary_name);
 513
 514         exit(1);
 515 }
 516
 517 /* ------------------------------------------------------------------------ */
 518 void
 519 write_error()
 520 {
 521         fatal_error(writting_filename);
 522 }
 523
 524 /* ------------------------------------------------------------------------ */
 525 void
 526 read_error()
 527 {
 528         fatal_error(reading_filename);
 529 }
 530
 531 /* ------------------------------------------------------------------------ */
 532 void
 533 interrupt(signo)
 534         int             signo;
 535 {
 536         errno = 0;
 537         message("Interrupted\n", "");
 538
 539         if (temporary_fp)
 540                 fclose(temporary_fp);
 541         unlink(temporary_name);
 542         if (recover_archive_when_interrupt)
 543                 rename(backup_archive_name, archive_name);
 544         if (remove_extracting_file_when_interrupt) {
 545                 errno = 0;
 546                 message("Removing", writting_filename);
 547                 unlink(writting_filename);
 548         }
 549         signal(SIGINT, SIG_DFL);
 550         signal(SIGHUP, SIG_DFL);
 551         kill(getpid(), signo);
 552 }
 553
 554 /* ------------------------------------------------------------------------ */
 555 /*                                                                                                                                                      */
 556 /* ------------------------------------------------------------------------ */
 557 static int
 558 sort_by_ascii(a, b)
 559         char          **a, **b;
 560 {
 561         register char  *p, *q;
 562         register int    c1, c2;
 563
 564         p = *a, q = *b;
 565         if (generic_format) {
 566                 do {
 567                         c1 = *(unsigned char *) p++;
 568                         c2 = *(unsigned char *) q++;
 569                         if (!c1 || !c2)
 570                                 break;
 571                         if (islower(c1))
 572                                 c1 = toupper(c1);
 573                         if (islower(c2))
 574                                 c2 = toupper(c2);
 575                 }
 576                 while (c1 == c2);
 577                 return c1 - c2;
 578         }
 579         else {
 580                 while (*p == *q && *p != '\0')
 581                         p++, q++;
 582                 return *(unsigned char *) p - *(unsigned char *) q;
 583         }
 584 }
 585
 586 /* ------------------------------------------------------------------------ */
 587 static void
 588 sort_files()
 589 {
 590         if (cmd_filec > 1)
 591                 qsort(cmd_filev, cmd_filec, sizeof(char *), sort_by_ascii);
 592 }
 593
 594 /* ------------------------------------------------------------------------ */
 595 char           *
 596 xmalloc(size)
 597         int             size;
 598 {
 599         char           *p = (char *) malloc(size);
 600         if (!p)
 601                 fatal_error("Not enough memory");
 602         return p;
 603 }
 604
 605 /* ------------------------------------------------------------------------ */
 606 char           *
 607 xrealloc(old, size)
 608         char           *old;
 609         int             size;
 610 {
 611         char           *p = (char *) realloc(old, size);
 612         if (!p)
 613                 fatal_error("Not enough memory");
 614         return p;
 615 }
 616
 617 /* ------------------------------------------------------------------------ */
 618 /*                                                              STRING POOL                                                                     */
 619 /* ------------------------------------------------------------------------ */
 620 /*
 621   string pool :
 622         +-------------+-------------+------+-------------+----------+
 623         | N A M E 1 \0| N A M E 2 \0| .... | N A M E n \0|                      |
 624         +-------------+-------------+------+-------------+----------+
 625           ^ ^            ^ buffer+0 buffer+used buffer+size
 626
 627   vector :
 628         +---------------+---------------+------------- -----------------+
 629         | pointer to    | pointer to    | pointer to   ...  pointer to  |
 630         |  stringpool   |  N A M E 1    |  N A M E 2   ...   N A M E n  |
 631         +---------------+---------------+-------------     -------------+
 632         ^ malloc base      returned
 633 */
 634
 635 /* ------------------------------------------------------------------------ */
 636 void
 637 init_sp(sp)
 638         struct string_pool *sp;
 639 {
 640         sp->size = 1024 - 8;    /* any ( >=0 ) */
 641         sp->used = 0;
 642         sp->n = 0;
 643         sp->buffer = (char *) xmalloc(sp->size * sizeof(char));
 644 }
 645
 646 /* ------------------------------------------------------------------------ */
 647 void
 648 add_sp(sp, name, len)
 649         struct string_pool *sp;
 650         char           *name;   /* stored '\0' at tail */
 651         int             len;    /* include '\0' */
 652 {
 653         while (sp->used + len > sp->size) {
 654                 sp->size *= 2;
 655                 sp->buffer = (char *) xrealloc(sp->buffer, sp->size * sizeof(char));
 656         }
 657         bcopy(name, sp->buffer + sp->used, len);
 658         sp->used += len;
 659         sp->n++;
 660 }
 661
 662 /* ------------------------------------------------------------------------ */
 663 void
 664 finish_sp(sp, v_count, v_vector)
 665         register struct string_pool *sp;
 666         int            *v_count;
 667         char         ***v_vector;
 668 {
 669         int             i;
 670         register char  *p;
 671         char          **v;
 672
 673         v = (char **) xmalloc((sp->n + 1) * sizeof(char *));
 674         *v++ = sp->buffer;
 675         *v_vector = v;
 676         *v_count = sp->n;
 677         p = sp->buffer;
 678         for (i = sp->n; i; i--) {
 679                 *v++ = p;
 680                 if (i - 1)
 681                         p += strlen(p) + 1;
 682         }
 683 }
 684
 685 /* ------------------------------------------------------------------------ */
 686 void
 687 free_sp(vector)
 688         char          **vector;
 689 {
 690         vector--;
 691         free(*vector);          /* free string pool */
 692         free(vector);
 693 }
 694
 695
 696 /* ------------------------------------------------------------------------ */
 697 /*                                                      READ DIRECTORY FILES                                                    */
 698 /* ------------------------------------------------------------------------ */
 699 static          boolean
 700 include_path_p(path, name)
 701         char           *path, *name;
 702 {
 703         char           *n = name;
 704         while (*path)
 705                 if (*path++ != *n++)
 706                         return (path[-1] == '/' && *n == '\0');
 707         return (*n == '/' || (n != name && path[-1] == '/' && n[-1] == '/'));
 708 }
 709
 710 /* ------------------------------------------------------------------------ */
 711 void
 712 cleaning_files(v_filec, v_filev)
 713         int            *v_filec;
 714         char         ***v_filev;
 715 {
 716         char           *flags;
 717         struct stat     stbuf;
 718
 719         register char **filev = *v_filev;
 720         register int    filec = *v_filec;
 721         register char  *p;
 722         register int    i, j;
 723
 724         if (filec == 0)
 725                 return;
 726
 727         flags = xmalloc(filec * sizeof(char));
 728
 729         /* flags & 0x01 :       1: ignore */
 730         /* flags & 0x02 :       1: directory, 0 : regular file */
 731         /* flags & 0x04 :       1: need delete */
 732
 733
 734         for (i = 0; i < filec; i++)
 735                 if (GETSTAT(filev[i], &stbuf) < 0) {
 736                         flags[i] = 0x04;
 737                         fprintf(stderr,
 738                          "LHa: Cannot access \"%s\", ignored.\n", filev[i]);
 739                 }
 740                 else {
 741                         if (is_regularfile(&stbuf))
 742                                 flags[i] = 0x00;
 743                         else if (is_directory(&stbuf))
 744                                 flags[i] = 0x02;
 745 #ifdef S_IFLNK
 746                         else if (is_symlink(&stbuf)) /* t.okamoto */
 747                                 flags[i] = 0x00;
 748 #endif
 749                         else {
 750                                 flags[i] = 0x04;
 751                                 fprintf(stderr,
 752                                         "LHa: Cannot archive \"%s\", ignored.\n", filev[i]);
 753                         }
 754                 }
 755         errno = 0;
 756
 757         for (i = 0; i < filec; i++) {
 758                 p = filev[i];
 759                 if ((flags[i] & 0x07) == 0x00) {        /* regular file, not
 760                                                          * deleted/ignored */
 761                         for (j = i + 1; j < filec; j++) {
 762                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 763                                                                          * deleted/ignored */
 764                                         if (STREQU(p, filev[j]))
 765                                                 flags[j] = 0x04;        /* delete */
 766                                 }
 767                         }
 768                 }
 769                 else if ((flags[i] & 0x07) == 0x02) {   /* directory, not
 770                                                          * deleted/ignored */
 771                         for (j = i + 1; j < filec; j++) {
 772                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 773                                                                          * deleted/ignored */
 774                                         if (include_path_p(p, filev[j]))
 775                                                 flags[j] = 0x04;        /* delete */
 776                                 }
 777                                 else if ((flags[j] & 0x07) == 0x02) {   /* directory, not
 778                                                                          * deleted/ignored */
 779                                         if (include_path_p(p, filev[j]))
 780                                                 flags[j] = 0x04;        /* delete */
 781                                 }
 782                         }
 783                 }
 784         }
 785
 786         for (i = j = 0; i < filec; i++) {
 787                 if ((flags[i] & 0x04) == 0) {
 788                         if (i != j)
 789                                 filev[j] = filev[i];
 790                         j++;
 791                 }
 792         }
 793         *v_filec = j;
 794
 795         free(flags);
 796 }
 797
 798 /* ------------------------------------------------------------------------ */
 799 #ifdef NODIRECTORY
 800 /* please need your imprementation */
 801 boolean
 802 find_files(name, v_filec, v_filev)
 803         char           *name;
 804         int            *v_filec;
 805         char         ***v_filev;
 806 {
 807         return FALSE;           /* DUMMY */
 808 }
 809
 810 /* ------------------------------------------------------------------------ */
 811 void
 812 free_files(filec, filev)
 813         int             filec;
 814         char          **filev;
 815 {
 816         /* do nothing */
 817 }
 818 /* ------------------------------------------------------------------------ */
 819 #else
 820 boolean
 821 find_files(name, v_filec, v_filev)
 822         char           *name;
 823         int            *v_filec;
 824         char         ***v_filev;
 825 {
 826         struct string_pool sp;
 827         char            newname[FILENAME_LENGTH];
 828         int             len, n;
 829         DIR            *dirp;
 830         DIRENTRY       *dp;
 831         struct stat     tmp_stbuf, arc_stbuf, fil_stbuf;
 832
 833         strcpy(newname, name);
 834         len = strlen(name);
 835         if (len > 0 && newname[len - 1] != '/')
 836                 newname[len++] = '/';
 837
 838         dirp = opendir(name);
 839         if (!dirp)
 840                 return FALSE;
 841
 842         init_sp(&sp);
 843
 844         GETSTAT(temporary_name, &tmp_stbuf);
 845         GETSTAT(archive_name, &arc_stbuf);
 846
 847         for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
 848                 n = NAMLEN(dp);
 849                 strncpy(newname + len, dp->d_name, n);
 850                 newname[len + n] = '\0';
 851                 if (GETSTAT(newname, &fil_stbuf) < 0)
 852                         continue;
 853 #ifndef HAVE_ST_INO
 854                 if ( dp->d_name[0] != '.' ||
 855                         (n != 1 &&
 856                          (dp->d_name[1] != '.' ||
 857                           n != 2))  ) {
 858                         add_sp(&sp, newname, len+n+1);
 859                 }
 860 #else
 861                 if ((dp->d_ino != 0) &&
 862                 /* exclude '.' and '..' */
 863                     ((dp->d_name[0] != '.') ||
 864                      ((n != 1) &&
 865                       ((dp->d_name[1] != '.') ||
 866                        (n != 2)))) &&
 867                     ((tmp_stbuf.st_dev != fil_stbuf.st_dev ||
 868                       tmp_stbuf.st_ino != fil_stbuf.st_ino) &&
 869                      (arc_stbuf.st_dev != fil_stbuf.st_dev ||
 870                       arc_stbuf.st_ino != fil_stbuf.st_ino))) {
 871                         add_sp(&sp, newname, len + n + 1);
 872                 }
 873 #endif
 874         }
 875         closedir(dirp);
 876         finish_sp(&sp, v_filec, v_filev);
 877         if (*v_filec > 1)
 878                 qsort(*v_filev, *v_filec, sizeof(char *), sort_by_ascii);
 879         cleaning_files(v_filec, v_filev);
 880
 881         return TRUE;
 882 }
 883
 884 /* ------------------------------------------------------------------------ */
 885 void
 886 free_files(filec, filev)
 887         int             filec;
 888         char          **filev;
 889 {
 890         free_sp(filev);
 891 }
 892 #endif
 893 /* ------------------------------------------------------------------------ */
 894 /*                                                                                                                                                      */
 895 /* ------------------------------------------------------------------------ */
 896 /* Build temporary file name and store to TEMPORARY_NAME */
 897 void
 898 build_temporary_name()
 899 {
 900 #ifdef TMP_FILENAME_TEMPLATE
 901         /* "/tmp/lhXXXXXX" etc. */
 902         if (extract_directory == NULL) {
 903                 strcpy(temporary_name, TMP_FILENAME_TEMPLATE);
 904         }
 905         else {
 906                 sprintf(temporary_name, "%s/lhXXXXXX", extract_directory);
 907         }
 908 #ifdef MKSTEMP
 909         mkstemp(temporary_name);
 910 #else
 911         mktemp(temporary_name);
 912 #endif
 913 #else
 914         char           *p, *s;
 915
 916         strcpy(temporary_name, archive_name);
 917         for (p = temporary_name, s = (char *) 0; *p; p++)
 918                 if (*p == '/')
 919                         s = p;
 920         strcpy((s ? s + 1 : temporary_name), "lhXXXXXX");
 921 #ifdef MKSTEMP
 922         mkstemp(temporary_name);
 923 #else
 924         mktemp(temporary_name);
 925 #endif
 926 #endif
 927 }
 928
 929 /* ------------------------------------------------------------------------ */
 930 static void
 931 modify_filename_extention(buffer, ext)
 932         char           *buffer;
 933         char           *ext;
 934 {
 935         register char  *p, *dot;
 936
 937         for (p = buffer, dot = (char *) 0; *p; p++) {
 938                 if (*p == '.')
 939                         dot = p;
 940                 else if (*p == '/')
 941                         dot = (char *) 0;
 942         }
 943
 944         if (dot)
 945                 p = dot;
 946
 947         strcpy(p, ext);
 948 }
 949
 950 /* ------------------------------------------------------------------------ */
 951 /* build backup file name */
 952 void
 953 build_backup_name(buffer, original)
 954         char           *buffer;
 955         char           *original;
 956 {
 957         strcpy(buffer, original);
 958         modify_filename_extention(buffer, BACKUPNAME_EXTENTION);        /* ".bak" */
 959 }
 960
 961 /* ------------------------------------------------------------------------ */
 962 void
 963 build_standard_archive_name(buffer, orginal)
 964         char           *buffer;
 965         char           *orginal;
 966 {
 967         strcpy(buffer, orginal);
 968         modify_filename_extention(buffer, ARCHIVENAME_EXTENTION);       /* ".lzh" */
 969 }
 970
 971 /* ------------------------------------------------------------------------ */
 972 /*                                                                                                                                                      */
 973 /* ------------------------------------------------------------------------ */
 974 boolean
 975 need_file(name)
 976         char           *name;
 977 {
 978         int             i;
 979
 980         if (cmd_filec == 0)
 981                 return TRUE;
 982
 983         for (i = 0; i < cmd_filec; i++) {
 984                 if (patmatch(cmd_filev[i], name, 0))
 985                         return TRUE;
 986         }
 987
 988         return FALSE;
 989 }
 990
 991 FILE           *
 992 xfopen(name, mode)
 993         char           *name, *mode;
 994 {
 995         FILE           *fp;
 996
 997         if ((fp = fopen(name, mode)) == NULL)
 998                 fatal_error(name);
 999
1000         return fp;
1001 }
1002
1003 /* ------------------------------------------------------------------------ */
1004 /*                                                                                                                                                      */
1005 /* ------------------------------------------------------------------------ */
1006 static          boolean
1007 open_old_archive_1(name, v_fp)
1008         char           *name;
1009         FILE          **v_fp;
1010 {
1011         FILE           *fp;
1012         struct stat     stbuf;
1013
1014         if (stat(name, &stbuf) >= 0 &&
1015             is_regularfile(&stbuf) &&
1016             (fp = fopen(name, READ_BINARY)) != NULL) {
1017                 *v_fp = fp;
1018                 archive_file_gid = stbuf.st_gid;
1019                 archive_file_mode = stbuf.st_mode;
1020                 return TRUE;
1021         }
1022
1023         *v_fp = NULL;
1024         archive_file_gid = -1;
1025         return FALSE;
1026 }
1027
1028 /* ------------------------------------------------------------------------ */
1029 FILE           *
1030 open_old_archive()
1031 {
1032         FILE           *fp;
1033         char           *p;
1034
1035         if (!strcmp(archive_name, "-")) {
1036                 if (cmd == CMD_EXTRACT || cmd == CMD_LIST)
1037                         return stdin;
1038                 else
1039                         return NULL;
1040         }
1041         if (p = (char *) strrchr(archive_name, '.')) {
1042                 if (strucmp(".LZH", p) == 0
1043                     || strucmp(".LZS", p) == 0
1044                     || strucmp(".COM", p) == 0  /* DOS SFX */
1045                     || strucmp(".EXE", p) == 0
1046                     || strucmp(".X", p) == 0    /* HUMAN SFX */
1047                     || strucmp(".BAK", p) == 0) {       /* for BackUp */
1048                         open_old_archive_1(archive_name, &fp);
1049                         return fp;
1050                 }
1051         }
1052
1053         if (open_old_archive_1(archive_name, &fp))
1054                 return fp;
1055         sprintf(expanded_archive_name, "%s.lzh", archive_name);
1056         if (open_old_archive_1(expanded_archive_name, &fp)) {
1057                 archive_name = expanded_archive_name;
1058                 return fp;
1059         }
1060         /*
1061          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1062          * expanded_archive_name; return NULL; }
1063          */
1064         sprintf(expanded_archive_name, "%s.lzs", archive_name);
1065         if (open_old_archive_1(expanded_archive_name, &fp)) {
1066                 archive_name = expanded_archive_name;
1067                 return fp;
1068         }
1069         /*
1070          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1071          * expanded_archive_name; return NULL; }
1072          */
1073         /*
1074          * sprintf( expanded_archive_name , "%s.lzh",archive_name);
1075          * archive_name = expanded_archive_name;
1076          */
1077         return NULL;
1078 }
1079
1080 /* ------------------------------------------------------------------------ */
1081 int
1082 inquire(msg, name, selective)
1083         char           *msg, *name, *selective;
1084 {
1085         char            buffer[1024];
1086         char           *p;
1087
1088         for (;;) {
1089                 fprintf(stderr, "%s %s ", name, msg);
1090                 fflush(stderr);
1091
1092                 fgets(buffer, 1024, stdin);
1093
1094                 for (p = selective; *p; p++)
1095                         if (buffer[0] == *p)
1096                                 return p - selective;
1097         }
1098         /* NOTREACHED */
1099 }
1100
1101 /* ------------------------------------------------------------------------ */
1102 void
1103 write_archive_tail(nafp)
1104         FILE           *nafp;
1105 {
1106         putc(0x00, nafp);
1107 }
1108
1109 /* ------------------------------------------------------------------------ */
1110 void
1111 copy_old_one(oafp, nafp, hdr)
1112         FILE           *oafp, *nafp;
1113         LzHeader       *hdr;
1114 {
1115         if (noexec) {
1116                 fseek(oafp, (long) (hdr->header_size + 2) + hdr->packed_size, SEEK_CUR);
1117         }
1118         else {
1119                 reading_filename = archive_name;
1120                 writting_filename = temporary_name;
1121                 if (hdr->header_level != 2) {
1122                         copyfile(oafp, nafp,
1123                                          (long) (hdr->header_size + 2) + hdr->packed_size, 0);
1124                 } else {
1125                         copyfile(oafp, nafp,
1126                                          (long) (hdr->header_size) + hdr->packed_size, 0);
1127                 }
1128         }
1129 }
1130
1131 /* Local Variables: */
1132 /* mode:c */
1133 /* tab-width:4 */
1134 /* compile-command:"gcc -c lharc.c" */
1135 /* End: */