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         compress_method = DEFAULT_LZHUFF_METHOD;
  98
  99         header_level    = HEADER_LEVEL1;
 100         quiet_mode              = 0;
 101
 102 #ifdef EUC
 103         euc_mode                = FALSE;
 104 #endif
 105
 106 /* view command flags */
 107         verbose_listing = FALSE;
 108
 109 /* extract command flags */
 110         output_to_stdout = FALSE;
 111
 112 /* append command flags */
 113         new_archive                     = FALSE;
 114         update_if_newer         = FALSE;
 115         delete_after_append = FALSE;
 116         generic_format          = FALSE;
 117
 118         remove_temporary_at_error                               = FALSE;
 119         recover_archive_when_interrupt                  = FALSE;
 120         remove_extracting_file_when_interrupt   = FALSE;
 121         get_filename_from_stdin                                 = FALSE;
 122         ignore_directory                                                = FALSE;
 123         verify_mode                                                             = FALSE;
 124
 125         noconvertcase                                                   = FALSE;
 126
 127         extract_directory = NULL;
 128         xfilec = 257;
 129 }
 130
 131 /* ------------------------------------------------------------------------ */
 132 /* NOTES :                      Text File Format                                                                                */
 133 /* GENERATOR            NewLine                                                                                                 */
 134 /* [generic]            0D 0A                                                                                                   */
 135 /* [MS-DOS]                     0D 0A                                                                                                   */
 136 /* [OS9][MacOS]         0D                                                                                                              */
 137 /* [UNIX]                       0A                                                                                                              */
 138 /* ------------------------------------------------------------------------ */
 139 static void
 140 print_tiny_usage_and_exit()
 141 {
 142         fprintf(stderr, "\
 143 LHarc    for UNIX  V 1.02  Copyright(C) 1989  Y.Tagawa\n\
 144 LHx      for MSDOS V C2.01 Copyright(C) 1990  H.Yoshizaki\n\
 145 LHx(arc) for OSK   V 2.01  Modified     1990  Momozou\n\
 146 LHa      for UNIX  V 1.00  Copyright(C) 1992  Masaru Oki\n\
 147 LHa      for UNIX  V 1.14  Modified     1995  Nobutaka Watazaki\n\
 148 LHa      for UNIX  V 1.14i Modified     2000  Tsugio Okamoto\n\
 149 ");
 150         fprintf(stderr, "\
 151 usage: lha [-]{axelvudmcp[q[num]][vnfodizg012]}[w=<dir>] archive_file [file...]\n\
 152 commands:                           options:\n\
 153  a   Add(or replace) to archive      q{num} quiet (num:quiet mode)\n\
 154  x,e EXtract from archive            v  verbose\n\
 155  l,v List / Verbose List             n  not execute\n\
 156  u   Update newer files to archive   f  force (over write at extract)\n\
 157  d   Delete from archive             t  FILES are TEXT file\n");
 158 #ifdef SUPPORT_LH7
 159         fprintf(stderr, "\
 160  m   Move to archive (means 'ad')    o[567] compression method (a/u)\n\
 161 ");
 162 #endif
 163 #ifndef SUPPORT_LH7
 164         fprintf(stderr, "\
 165  m   Move to archive (means 'ad')    o  use LHarc compatible method (a/u)\n\
 166 ");
 167 #endif
 168         fprintf(stderr, "\
 169  c   re-Construct new archive        w=<dir> specify extract directory (a/u/m/x/e)\n\
 170  p   Print to STDOUT from archive    d  delete FILES after (a/u/c)\n\
 171  t   Test file CRC in archive        i  ignore directory path (x/e)\n\
 172                                      z  files not compress (a/u)\n\
 173                                      g  Generic format (for compatibility)\n\
 174                                         or not convert case when extracting\n\
 175                                      0/1/2 header level (a/u)\n\
 176 ");
 177 #ifdef EUC
 178         fprintf(stderr, "\
 179                                      e  TEXT code convert from/to EUC\n\
 180 ");
 181 #endif
 182         exit(1);
 183 }
 184
 185 /* ------------------------------------------------------------------------ */
 186 int
 187 main(argc, argv)
 188         int             argc;
 189         char           *argv[];
 190 {
 191         char           *p, inpbuf[256];
 192
 193         int i;
 194         int  ac;
 195         char **av, *m;
 196
 197         init_variable();                /* Added N.Watazaki */
 198
 199         ac = argc;
 200         av = (char **)xmalloc( sizeof(char*)*argc );
 201         for (i=0; i<argc; i++) {
 202           if ((av[i] = strdup( argv[i] )) == NULL)
 203                 fatal_error("not enough memory\n");
 204         }
 205
 206         if (ac < 2)
 207                 print_tiny_usage_and_exit();
 208
 209         if (strcmp(av[1], "--version") == 0) {
 210                 print_version();
 211                 exit(1);
 212         }
 213
 214         if (ac < 3) {
 215                 cmd = CMD_LIST;
 216                 av--; /* argv--; */ /* 1999.7.18 */
 217                 ac++; /* argc++; */
 218                 goto work;
 219         }
 220
 221         m = av[1];
 222
 223         if (m[0] == '-')
 224                 m++;
 225         /* commands */
 226         switch (*m) {
 227         case 'x':
 228         case 'e':
 229                 cmd = CMD_EXTRACT;
 230                 break;
 231
 232         case 'p':
 233                 output_to_stdout = TRUE;
 234                 cmd = CMD_EXTRACT;
 235                 break;
 236
 237         case 'c':
 238                 new_archive = TRUE;
 239                 cmd = CMD_ADD;
 240                 break;
 241
 242         case 'a':
 243                 cmd = CMD_ADD;
 244                 break;
 245
 246         case 'd':
 247                 cmd = CMD_DELETE;
 248                 break;
 249
 250         case 'u':
 251                 update_if_newer = TRUE;
 252                 cmd = CMD_ADD;
 253                 break;
 254
 255         case 'm':
 256                 delete_after_append = TRUE;
 257                 cmd = CMD_ADD;
 258                 break;
 259
 260         case 'v':
 261                 verbose_listing = TRUE;
 262                 cmd = CMD_LIST;
 263                 break;
 264
 265         case 'l':
 266                 cmd = CMD_LIST;
 267                 break;
 268
 269         case 't':
 270                 cmd = CMD_EXTRACT;
 271                 verify_mode = TRUE;
 272                 break;
 273
 274         default:
 275                 print_tiny_usage_and_exit();
 276
 277         }
 278
 279         /* options */
 280         /* p = &argv[1][1]; */
 281         p = m+1;
 282         while ( *p != 0 ) {
 283                 switch ((*p++)) {
 284                 case 'q':
 285                         switch (*p) {
 286                         case '0':
 287                         case '1':
 288                                 quiet_mode = *p - '0';
 289                                 ++p;
 290                                 break;
 291                         case '2':
 292                         default:
 293                                 quiet = TRUE;
 294                                 break;
 295                         }
 296                 case 'f':
 297                         force = TRUE;
 298                         break;
 299                 case 'p':
 300                         prof = TRUE;
 301                         break;
 302                 case 'v':
 303                         verbose = TRUE;
 304                         break;
 305                 case 't':
 306                         text_mode = TRUE;
 307                         break;
 308 #ifdef EUC
 309                 case 'e':
 310                         text_mode = TRUE;
 311                         euc_mode = TRUE;
 312                         break;
 313 #endif
 314                 case 'n':
 315                         noexec = TRUE;
 316                         break;
 317                 case 'g':
 318                         generic_format = TRUE;
 319                         noconvertcase = TRUE;
 320                         header_level = 0;
 321                         break;
 322                 case 'd':
 323                         delete_after_append = TRUE;
 324                         break;
 325                 case 'o':
 326                         switch (*p) {
 327                         case 0:
 328                                 compress_method = LZHUFF1_METHOD_NUM;
 329                                 header_level = 0;
 330                                 break;
 331                         case '5':
 332                                 compress_method = LZHUFF5_METHOD_NUM;
 333                                 p++;
 334                                 break;
 335 #ifdef SUPPORT_LH7
 336                         case '6':
 337                                 compress_method = LZHUFF6_METHOD_NUM;
 338                                 p++;
 339                                 break;
 340                         case '7':
 341                                 compress_method = LZHUFF7_METHOD_NUM;
 342                                 p++;
 343                                 break;
 344 #endif
 345                         default:
 346                                 fprintf(stderr, "LHa: error option o%c\n", p[-1]);
 347                                 exit(1);
 348                         }
 349                         break;
 350                 case 'z':
 351                         compress_method = LZHUFF0_METHOD_NUM;   /* Changed N.Watazaki */
 352                         break;
 353                 case 'i':
 354                         ignore_directory = TRUE;
 355                         break;
 356                 case 'w':
 357                         if (*p == '=')
 358                                 p++;
 359                         extract_directory = p;
 360                         while (*p)
 361                                 p++;
 362                         break;
 363                 case '0':
 364                         header_level = HEADER_LEVEL0;
 365                         break;
 366                 case '1':
 367                         header_level = HEADER_LEVEL1;
 368                         break;
 369                 case '2':
 370                         header_level = HEADER_LEVEL2;
 371                         break;
 372                 default:
 373                         fprintf(stderr, "LHa: Unknown option '%c'.\n", p[-1]);
 374                         exit(1);
 375                 }
 376         }
 377
 378 work:
 379         /* archive file name */
 380         archive_name = av[2];
 381
 382         if (!strcmp(archive_name, "-")) {
 383                 if (!isatty(1) && cmd == CMD_ADD)
 384                         quiet = TRUE;
 385         }
 386         else {
 387                 if (ac == 3 && !isatty(0)) { /* 1999.7.18 */
 388                         get_filename_from_stdin = TRUE;
 389                 }
 390         }
 391
 392         /* target file name */
 393         if (get_filename_from_stdin) {
 394                 cmd_filec = 0;
 395                 xfilev = (char **)xmalloc(sizeof(char *) * xfilec);
 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 #ifdef SIGHUP
 551         signal(SIGHUP, SIG_DFL);
 552 #endif
 553         kill(getpid(), signo);
 554 }
 555
 556 /* ------------------------------------------------------------------------ */
 557 /*                                                                                                                                                      */
 558 /* ------------------------------------------------------------------------ */
 559 static int
 560 sort_by_ascii(a, b)
 561         char          **a, **b;
 562 {
 563         register char  *p, *q;
 564         register int    c1, c2;
 565
 566         p = *a, q = *b;
 567         if (generic_format) {
 568                 do {
 569                         c1 = *(unsigned char *) p++;
 570                         c2 = *(unsigned char *) q++;
 571                         if (!c1 || !c2)
 572                                 break;
 573                         if (islower(c1))
 574                                 c1 = toupper(c1);
 575                         if (islower(c2))
 576                                 c2 = toupper(c2);
 577                 }
 578                 while (c1 == c2);
 579                 return c1 - c2;
 580         }
 581         else {
 582                 while (*p == *q && *p != '\0')
 583                         p++, q++;
 584                 return *(unsigned char *) p - *(unsigned char *) q;
 585         }
 586 }
 587
 588 /* ------------------------------------------------------------------------ */
 589 static void
 590 sort_files()
 591 {
 592         if (cmd_filec > 1)
 593                 qsort(cmd_filev, cmd_filec, sizeof(char *), sort_by_ascii);
 594 }
 595
 596 /* ------------------------------------------------------------------------ */
 597 char           *
 598 xmalloc(size)
 599         int             size;
 600 {
 601         char           *p = (char *) malloc(size);
 602         if (!p)
 603                 fatal_error("Not enough memory");
 604         return p;
 605 }
 606
 607 /* ------------------------------------------------------------------------ */
 608 char           *
 609 xrealloc(old, size)
 610         char           *old;
 611         int             size;
 612 {
 613         char           *p = (char *) realloc(old, size);
 614         if (!p)
 615                 fatal_error("Not enough memory");
 616         return p;
 617 }
 618
 619 /* ------------------------------------------------------------------------ */
 620 /*                                                              STRING POOL                                                                     */
 621 /* ------------------------------------------------------------------------ */
 622 /*
 623   string pool :
 624         +-------------+-------------+------+-------------+----------+
 625         | N A M E 1 \0| N A M E 2 \0| .... | N A M E n \0|                      |
 626         +-------------+-------------+------+-------------+----------+
 627           ^ ^            ^ buffer+0 buffer+used buffer+size
 628
 629   vector :
 630         +---------------+---------------+------------- -----------------+
 631         | pointer to    | pointer to    | pointer to   ...  pointer to  |
 632         |  stringpool   |  N A M E 1    |  N A M E 2   ...   N A M E n  |
 633         +---------------+---------------+-------------     -------------+
 634         ^ malloc base      returned
 635 */
 636
 637 /* ------------------------------------------------------------------------ */
 638 void
 639 init_sp(sp)
 640         struct string_pool *sp;
 641 {
 642         sp->size = 1024 - 8;    /* any ( >=0 ) */
 643         sp->used = 0;
 644         sp->n = 0;
 645         sp->buffer = (char *) xmalloc(sp->size * sizeof(char));
 646 }
 647
 648 /* ------------------------------------------------------------------------ */
 649 void
 650 add_sp(sp, name, len)
 651         struct string_pool *sp;
 652         char           *name;   /* stored '\0' at tail */
 653         int             len;    /* include '\0' */
 654 {
 655         while (sp->used + len > sp->size) {
 656                 sp->size *= 2;
 657                 sp->buffer = (char *) xrealloc(sp->buffer, sp->size * sizeof(char));
 658         }
 659         bcopy(name, sp->buffer + sp->used, len);
 660         sp->used += len;
 661         sp->n++;
 662 }
 663
 664 /* ------------------------------------------------------------------------ */
 665 void
 666 finish_sp(sp, v_count, v_vector)
 667         register struct string_pool *sp;
 668         int            *v_count;
 669         char         ***v_vector;
 670 {
 671         int             i;
 672         register char  *p;
 673         char          **v;
 674
 675         v = (char **) xmalloc((sp->n + 1) * sizeof(char *));
 676         *v++ = sp->buffer;
 677         *v_vector = v;
 678         *v_count = sp->n;
 679         p = sp->buffer;
 680         for (i = sp->n; i; i--) {
 681                 *v++ = p;
 682                 if (i - 1)
 683                         p += strlen(p) + 1;
 684         }
 685 }
 686
 687 /* ------------------------------------------------------------------------ */
 688 void
 689 free_sp(vector)
 690         char          **vector;
 691 {
 692         vector--;
 693         free(*vector);          /* free string pool */
 694         free(vector);
 695 }
 696
 697
 698 /* ------------------------------------------------------------------------ */
 699 /*                                                      READ DIRECTORY FILES                                                    */
 700 /* ------------------------------------------------------------------------ */
 701 static          boolean
 702 include_path_p(path, name)
 703         char           *path, *name;
 704 {
 705         char           *n = name;
 706         while (*path)
 707                 if (*path++ != *n++)
 708                         return (path[-1] == '/' && *n == '\0');
 709         return (*n == '/' || (n != name && path[-1] == '/' && n[-1] == '/'));
 710 }
 711
 712 /* ------------------------------------------------------------------------ */
 713 void
 714 cleaning_files(v_filec, v_filev)
 715         int            *v_filec;
 716         char         ***v_filev;
 717 {
 718         char           *flags;
 719         struct stat     stbuf;
 720
 721         register char **filev = *v_filev;
 722         register int    filec = *v_filec;
 723         register char  *p;
 724         register int    i, j;
 725
 726         if (filec == 0)
 727                 return;
 728
 729         flags = xmalloc(filec * sizeof(char));
 730
 731         /* flags & 0x01 :       1: ignore */
 732         /* flags & 0x02 :       1: directory, 0 : regular file */
 733         /* flags & 0x04 :       1: need delete */
 734
 735
 736         for (i = 0; i < filec; i++)
 737                 if (GETSTAT(filev[i], &stbuf) < 0) {
 738                         flags[i] = 0x04;
 739                         fprintf(stderr,
 740                          "LHa: Cannot access \"%s\", ignored.\n", filev[i]);
 741                 }
 742                 else {
 743                         if (is_regularfile(&stbuf))
 744                                 flags[i] = 0x00;
 745                         else if (is_directory(&stbuf))
 746                                 flags[i] = 0x02;
 747 #ifdef S_IFLNK
 748                         else if (is_symlink(&stbuf)) /* t.okamoto */
 749                                 flags[i] = 0x00;
 750 #endif
 751                         else {
 752                                 flags[i] = 0x04;
 753                                 fprintf(stderr,
 754                                         "LHa: Cannot archive \"%s\", ignored.\n", filev[i]);
 755                         }
 756                 }
 757         errno = 0;
 758
 759         for (i = 0; i < filec; i++) {
 760                 p = filev[i];
 761                 if ((flags[i] & 0x07) == 0x00) {        /* regular file, not
 762                                                          * deleted/ignored */
 763                         for (j = i + 1; j < filec; j++) {
 764                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 765                                                                          * deleted/ignored */
 766                                         if (STREQU(p, filev[j]))
 767                                                 flags[j] = 0x04;        /* delete */
 768                                 }
 769                         }
 770                 }
 771                 else if ((flags[i] & 0x07) == 0x02) {   /* directory, not
 772                                                          * deleted/ignored */
 773                         for (j = i + 1; j < filec; j++) {
 774                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 775                                                                          * deleted/ignored */
 776                                         if (include_path_p(p, filev[j]))
 777                                                 flags[j] = 0x04;        /* delete */
 778                                 }
 779                                 else if ((flags[j] & 0x07) == 0x02) {   /* directory, not
 780                                                                          * deleted/ignored */
 781                                         if (include_path_p(p, filev[j]))
 782                                                 flags[j] = 0x04;        /* delete */
 783                                 }
 784                         }
 785                 }
 786         }
 787
 788         for (i = j = 0; i < filec; i++) {
 789                 if ((flags[i] & 0x04) == 0) {
 790                         if (i != j)
 791                                 filev[j] = filev[i];
 792                         j++;
 793                 }
 794         }
 795         *v_filec = j;
 796
 797         free(flags);
 798 }
 799
 800 /* ------------------------------------------------------------------------ */
 801 #ifdef NODIRECTORY
 802 /* please need your imprementation */
 803 boolean
 804 find_files(name, v_filec, v_filev)
 805         char           *name;
 806         int            *v_filec;
 807         char         ***v_filev;
 808 {
 809         return FALSE;           /* DUMMY */
 810 }
 811
 812 /* ------------------------------------------------------------------------ */
 813 void
 814 free_files(filec, filev)
 815         int             filec;
 816         char          **filev;
 817 {
 818         /* do nothing */
 819 }
 820 /* ------------------------------------------------------------------------ */
 821 #else
 822 boolean
 823 find_files(name, v_filec, v_filev)
 824         char           *name;
 825         int            *v_filec;
 826         char         ***v_filev;
 827 {
 828         struct string_pool sp;
 829         char            newname[FILENAME_LENGTH];
 830         int             len, n;
 831         DIR            *dirp;
 832         DIRENTRY       *dp;
 833         struct stat     tmp_stbuf, arc_stbuf, fil_stbuf;
 834
 835         strcpy(newname, name);
 836         len = strlen(name);
 837         if (len > 0 && newname[len - 1] != '/')
 838                 newname[len++] = '/';
 839
 840         dirp = opendir(name);
 841         if (!dirp)
 842                 return FALSE;
 843
 844         init_sp(&sp);
 845
 846         GETSTAT(temporary_name, &tmp_stbuf);
 847         GETSTAT(archive_name, &arc_stbuf);
 848
 849         for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
 850                 n = NAMLEN(dp);
 851                 strncpy(newname + len, dp->d_name, n);
 852                 newname[len + n] = '\0';
 853                 if (GETSTAT(newname, &fil_stbuf) < 0)
 854                         continue;
 855 #ifndef HAVE_ST_INO
 856                 if ( dp->d_name[0] != '.' ||
 857                         (n != 1 &&
 858                          (dp->d_name[1] != '.' ||
 859                           n != 2))  ) {
 860                         add_sp(&sp, newname, len+n+1);
 861                 }
 862 #else
 863                 if ((dp->d_ino != 0) &&
 864                 /* exclude '.' and '..' */
 865                     ((dp->d_name[0] != '.') ||
 866                      ((n != 1) &&
 867                       ((dp->d_name[1] != '.') ||
 868                        (n != 2)))) &&
 869                     ((tmp_stbuf.st_dev != fil_stbuf.st_dev ||
 870                       tmp_stbuf.st_ino != fil_stbuf.st_ino) &&
 871                      (arc_stbuf.st_dev != fil_stbuf.st_dev ||
 872                       arc_stbuf.st_ino != fil_stbuf.st_ino))) {
 873                         add_sp(&sp, newname, len + n + 1);
 874                 }
 875 #endif
 876         }
 877         closedir(dirp);
 878         finish_sp(&sp, v_filec, v_filev);
 879         if (*v_filec > 1)
 880                 qsort(*v_filev, *v_filec, sizeof(char *), sort_by_ascii);
 881         cleaning_files(v_filec, v_filev);
 882
 883         return TRUE;
 884 }
 885
 886 /* ------------------------------------------------------------------------ */
 887 void
 888 free_files(filec, filev)
 889         int             filec;
 890         char          **filev;
 891 {
 892         free_sp(filev);
 893 }
 894 #endif
 895 /* ------------------------------------------------------------------------ */
 896 /*                                                                                                                                                      */
 897 /* ------------------------------------------------------------------------ */
 898 /* Build temporary file name and store to TEMPORARY_NAME */
 899 void
 900 build_temporary_name()
 901 {
 902 #ifdef TMP_FILENAME_TEMPLATE
 903         /* "/tmp/lhXXXXXX" etc. */
 904         if (extract_directory == NULL) {
 905                 strcpy(temporary_name, TMP_FILENAME_TEMPLATE);
 906         }
 907         else {
 908                 sprintf(temporary_name, "%s/lhXXXXXX", extract_directory);
 909         }
 910 #ifdef HAVE_MKSTEMP
 911         mkstemp(temporary_name);
 912 #else
 913         mktemp(temporary_name);
 914 #endif
 915 #else
 916         char           *p, *s;
 917
 918         strcpy(temporary_name, archive_name);
 919         for (p = temporary_name, s = (char *) 0; *p; p++)
 920                 if (*p == '/')
 921                         s = p;
 922         strcpy((s ? s + 1 : temporary_name), "lhXXXXXX");
 923 #ifdef HAVE_MKSTEMP
 924         mkstemp(temporary_name);
 925 #else
 926         mktemp(temporary_name);
 927 #endif
 928 #endif
 929 }
 930
 931 /* ------------------------------------------------------------------------ */
 932 static void
 933 modify_filename_extention(buffer, ext)
 934         char           *buffer;
 935         char           *ext;
 936 {
 937         register char  *p, *dot;
 938
 939         for (p = buffer, dot = (char *) 0; *p; p++) {
 940                 if (*p == '.')
 941                         dot = p;
 942                 else if (*p == '/')
 943                         dot = (char *) 0;
 944         }
 945
 946         if (dot)
 947                 p = dot;
 948
 949         strcpy(p, ext);
 950 }
 951
 952 /* ------------------------------------------------------------------------ */
 953 /* build backup file name */
 954 void
 955 build_backup_name(buffer, original)
 956         char           *buffer;
 957         char           *original;
 958 {
 959         strcpy(buffer, original);
 960         modify_filename_extention(buffer, BACKUPNAME_EXTENTION);        /* ".bak" */
 961 }
 962
 963 /* ------------------------------------------------------------------------ */
 964 void
 965 build_standard_archive_name(buffer, orginal)
 966         char           *buffer;
 967         char           *orginal;
 968 {
 969         strcpy(buffer, orginal);
 970         modify_filename_extention(buffer, ARCHIVENAME_EXTENTION);       /* ".lzh" */
 971 }
 972
 973 /* ------------------------------------------------------------------------ */
 974 /*                                                                                                                                                      */
 975 /* ------------------------------------------------------------------------ */
 976 boolean
 977 need_file(name)
 978         char           *name;
 979 {
 980         int             i;
 981
 982         if (cmd_filec == 0)
 983                 return TRUE;
 984
 985         for (i = 0; i < cmd_filec; i++) {
 986                 if (patmatch(cmd_filev[i], name, 0))
 987                         return TRUE;
 988         }
 989
 990         return FALSE;
 991 }
 992
 993 FILE           *
 994 xfopen(name, mode)
 995         char           *name, *mode;
 996 {
 997         FILE           *fp;
 998
 999         if ((fp = fopen(name, mode)) == NULL)
1000                 fatal_error(name);
1001
1002         return fp;
1003 }
1004
1005 /* ------------------------------------------------------------------------ */
1006 /*                                                                                                                                                      */
1007 /* ------------------------------------------------------------------------ */
1008 static          boolean
1009 open_old_archive_1(name, v_fp)
1010         char           *name;
1011         FILE          **v_fp;
1012 {
1013         FILE           *fp;
1014         struct stat     stbuf;
1015
1016         if (stat(name, &stbuf) >= 0 &&
1017             is_regularfile(&stbuf) &&
1018             (fp = fopen(name, READ_BINARY)) != NULL) {
1019                 *v_fp = fp;
1020                 archive_file_gid = stbuf.st_gid;
1021                 archive_file_mode = stbuf.st_mode;
1022                 return TRUE;
1023         }
1024
1025         *v_fp = NULL;
1026         archive_file_gid = -1;
1027         return FALSE;
1028 }
1029
1030 /* ------------------------------------------------------------------------ */
1031 FILE           *
1032 open_old_archive()
1033 {
1034         FILE           *fp;
1035         char           *p;
1036
1037         if (!strcmp(archive_name, "-")) {
1038                 if (cmd == CMD_EXTRACT || cmd == CMD_LIST)
1039                         return stdin;
1040                 else
1041                         return NULL;
1042         }
1043         if (p = (char *) strrchr(archive_name, '.')) {
1044                 if (strucmp(".LZH", p) == 0
1045                     || strucmp(".LZS", p) == 0
1046                     || strucmp(".COM", p) == 0  /* DOS SFX */
1047                     || strucmp(".EXE", p) == 0
1048                     || strucmp(".X", p) == 0    /* HUMAN SFX */
1049                     || strucmp(".BAK", p) == 0) {       /* for BackUp */
1050                         open_old_archive_1(archive_name, &fp);
1051                         return fp;
1052                 }
1053         }
1054
1055         if (open_old_archive_1(archive_name, &fp))
1056                 return fp;
1057         sprintf(expanded_archive_name, "%s.lzh", archive_name);
1058         if (open_old_archive_1(expanded_archive_name, &fp)) {
1059                 archive_name = expanded_archive_name;
1060                 return fp;
1061         }
1062         /*
1063          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1064          * expanded_archive_name; return NULL; }
1065          */
1066         sprintf(expanded_archive_name, "%s.lzs", archive_name);
1067         if (open_old_archive_1(expanded_archive_name, &fp)) {
1068                 archive_name = expanded_archive_name;
1069                 return fp;
1070         }
1071         /*
1072          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1073          * expanded_archive_name; return NULL; }
1074          */
1075         /*
1076          * sprintf( expanded_archive_name , "%s.lzh",archive_name);
1077          * archive_name = expanded_archive_name;
1078          */
1079         return NULL;
1080 }
1081
1082 /* ------------------------------------------------------------------------ */
1083 int
1084 inquire(msg, name, selective)
1085         char           *msg, *name, *selective;
1086 {
1087         char            buffer[1024];
1088         char           *p;
1089
1090         for (;;) {
1091                 fprintf(stderr, "%s %s ", name, msg);
1092                 fflush(stderr);
1093
1094                 fgets(buffer, 1024, stdin);
1095
1096                 for (p = selective; *p; p++)
1097                         if (buffer[0] == *p)
1098                                 return p - selective;
1099         }
1100         /* NOTREACHED */
1101 }
1102
1103 /* ------------------------------------------------------------------------ */
1104 void
1105 write_archive_tail(nafp)
1106         FILE           *nafp;
1107 {
1108         putc(0x00, nafp);
1109 }
1110
1111 /* ------------------------------------------------------------------------ */
1112 void
1113 copy_old_one(oafp, nafp, hdr)
1114         FILE           *oafp, *nafp;
1115         LzHeader       *hdr;
1116 {
1117         if (noexec) {
1118                 fseek(oafp, (long) (hdr->header_size + 2) + hdr->packed_size, SEEK_CUR);
1119         }
1120         else {
1121                 reading_filename = archive_name;
1122                 writting_filename = temporary_name;
1123                 if (hdr->header_level != 2) {
1124                         copyfile(oafp, nafp,
1125                                          (long) (hdr->header_size + 2) + hdr->packed_size, 0);
1126                 } else {
1127                         copyfile(oafp, nafp,
1128                                          (long) (hdr->header_size) + hdr->packed_size, 0);
1129                 }
1130         }
1131 }
1132
1133 /* Local Variables: */
1134 /* mode:c */
1135 /* tab-width:4 */
1136 /* compile-command:"gcc -c lharc.c" */
1137 /* End: */