1 /*
2 Copyright (c) 1990-2007 Info-ZIP. All rights reserved.
3
4 See the accompanying file LICENSE, version 2000-Apr-09 or later
5 (the contents of which are also included in unzip.h) for terms of use.
6 If, for some reason, all these files are missing, the Info-ZIP license
7 also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
8 */
9 /*---------------------------------------------------------------------------
10
11 human68k.c
12
13 Human68k-specific routines for use with Info-ZIP's UnZip 5.41 and later.
14
15 Contains: do_wild()
16 mapattr()
17 mapname()
18 checkdir()
19 close_outfile()
20 stamp_file() (TIMESTAMP only)
21 version()
22 main() (for UnZipSFX)
23
24 ---------------------------------------------------------------------------*/
25
26
27 #include <dirent.h>
28 #include <string.h>
29 #include <sys/dos.h>
30 #include <sys/xunistd.h>
31 #ifdef HAVE_TWONCALL_H
32 #include <twoncall.h>
33 #endif
34 #define UNZIP_INTERNAL
35 #include "unzip.h"
36
37 #if defined (SFX) && defined (MAIN)
38 #include <sys/xstart.h>
39 int MAIN(int argc, char *argv[]);
40 #endif
41
42 static void map2fat(char *pathcomp, char *last_dot);
43 static char *trunc_name(char *name, int maxlen);
44
45 static int created_dir; /* used in mapname(), checkdir() */
46 static int renamed_fullpath; /* ditto */
47
48 static char multi_period, special_char;
49
50 #ifndef SFX
51
52 /**********************/
53 /* Function do_wild() */
54 /**********************/
55
56 char *do_wild(__G__ wildspec)
57 __GDEF
58 ZCONST char *wildspec; /* only used first time on a given dir */
59 {
60 static DIR *wild_dir = (DIR *)NULL;
61 static ZCONST char *wildname;
62 static char *dirname, matchname[FILNAMSIZ];
63 static int notfirstcall=FALSE, have_dirname, dirnamelen;
64 struct dirent *file;
65
66 /* Even when we're just returning wildspec, we *always* do so in
67 * matchname[]--calling routine is allowed to append four characters
68 * to the returned string, and wildspec may be a pointer to argv[].
69 */
70 if (!notfirstcall) { /* first call: must initialize everything */
71 notfirstcall = TRUE;
72
73 if (!iswild(wildspec)) {
74 strncpy(matchname, wildspec, FILNAMSIZ);
75 matchname[FILNAMSIZ-1] = '\0';
76 have_dirname = FALSE;
77 wild_dir = (DIR *)NULL;
78 return matchname;
79 }
80
81 /* break the wildspec into a directory part and a wildcard filename */
82 if ((wildname = strrchr(wildspec, '/')) == NULL) {
83 dirname = ".";
84 dirnamelen = 1;
85 have_dirname = FALSE;
86 wildname = wildspec;
87 } else {
88 ++wildname; /* point at character after '/' */
89 dirnamelen = wildname - wildspec;
90 if ((dirname = (char *)malloc(dirnamelen+1)) == NULL) {
91 Info(slide, 1, ((char *)slide,
92 "warning: cannot allocate wildcard buffers\n"));
93 strcpy(matchname, wildspec);
94 return matchname; /* but maybe filespec was not a wildcard */
95 }
96 strncpy(dirname, wildspec, dirnamelen);
97 dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
98 have_dirname = TRUE;
99 }
100 Trace((stderr, "do_wild: dirname = [%s]\n", FnFilter1(dirname)));
101
102 if ((wild_dir = opendir(dirname)) != (DIR *)NULL) {
103 while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
104 Trace((stderr, "do_wild: readdir returns %s\n",
105 FnFilter1(file->d_name)));
106 if (file->d_name[0] == '.' && wildname[0] != '.')
107 continue; /* Unix: '*' and '?' do not match leading dot */
108 if (match(file->d_name, wildname, 0 WISEP) && /* 0=case sens.*/
109 /* skip "." and ".." directory entries */
110 strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) {
111 Trace((stderr, "do_wild: match() succeeds\n"));
112 if (have_dirname) {
113 strcpy(matchname, dirname);
114 strcpy(matchname+dirnamelen, file->d_name);
115 } else
116 strcpy(matchname, file->d_name);
117 return matchname;
118 }
119 }
120 /* if we get to here directory is exhausted, so close it */
121 closedir(wild_dir);
122 wild_dir = (DIR *)NULL;
123 }
124 #ifdef DEBUG
125 else {
126 Trace((stderr, "do_wild: Opendir(%s) returns NULL\n",
127 FnFilter1(dirname)));
128 }
129 #endif /* DEBUG */
130
131 /* return the raw wildspec in case that works (e.g., directory not
132 * searchable, but filespec was not wild and file is readable) */
133 strncpy(matchname, wildspec, FILNAMSIZ);
134 matchname[FILNAMSIZ-1] = '\0';
135 return matchname;
136 }
137
138 /* last time through, might have failed opendir but returned raw wildspec */
139 if (wild_dir == (DIR *)NULL) {
140 notfirstcall = FALSE; /* nothing left to try--reset for new wildspec */
141 if (have_dirname)
142 free(dirname);
143 return (char *)NULL;
144 }
145
146 /* If we've gotten this far, we've read and matched at least one entry
147 * successfully (in a previous call), so dirname has been copied into
148 * matchname already.
149 */
150 while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
151 Trace((stderr, "do_wild: readdir returns %s\n",
152 FnFilter1(file->d_name)));
153 if (file->d_name[0] == '.' && wildname[0] != '.')
154 continue; /* Unix: '*' and '?' do not match leading dot */
155 if (match(file->d_name, wildname, 0 WISEP)) { /* 0 == case sens. */
156 Trace((stderr, "do_wild: match() succeeds\n"));
157 if (have_dirname) {
158 /* strcpy(matchname, dirname); */
159 strcpy(matchname+dirnamelen, file->d_name);
160 } else
161 strcpy(matchname, file->d_name);
162 return matchname;
163 }
164 }
165
166 closedir(wild_dir); /* have read at least one entry; nothing left */
167 wild_dir = (DIR *)NULL;
168 notfirstcall = FALSE; /* reset for new wildspec */
169 if (have_dirname)
170 free(dirname);
171 return (char *)NULL;
172
173 } /* end function do_wild() */
174
175 #endif /* !SFX */
176
177
178
179
180 /**********************/
181 /* Function mapattr() */
182 /**********************/
183
mapattr(__G)184 int mapattr(__G)
185 __GDEF
186 {
187 ulg tmp = G.crec.external_file_attributes;
188
189 switch (G.pInfo->hostnum) {
190 case UNIX_:
191 if (tmp & 0xff)
192 break;
193 /* fall through */
194 case VMS_:
195 case ACORN_:
196 case ATARI_:
197 case ATHEOS_:
198 case BEOS_:
199 case QDOS_:
200 G.pInfo->file_attr = _mode2dos(tmp >> 16);
201 return 0;
202 default:
203 break;
204 }
205
206 /* set archive bit (file is not backed up) */
207 if((tmp & 0x08) == 0)
208 tmp |= 0x20;
209 G.pInfo->file_attr = tmp & 0xff;
210 return 0;
211
212 } /* end function mapattr() */
213
214
215
216
217
218 /**********************/
219 /* Function mapname() */
220 /**********************/
221
222 int mapname(__G__ renamed)
223 __GDEF
224 int renamed;
225 /*
226 * returns:
227 * MPN_OK - no problem detected
228 * MPN_INF_TRUNC - caution (truncated filename)
229 * MPN_INF_SKIP - info "skip entry" (dir doesn't exist)
230 * MPN_ERR_SKIP - error -> skip entry
231 * MPN_ERR_TOOLONG - error -> path is too long
232 * MPN_NOMEM - error (memory allocation failed) -> skip entry
233 * [also MPN_VOL_LABEL, MPN_CREATED_DIR]
234 */
235 {
236 char pathcomp[FILNAMSIZ]; /* path-component buffer */
237 char *pp, *cp=(char *)NULL; /* character pointers */
238 char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
239 char *last_dot=(char *)NULL; /* last dot */
240 int error = MPN_OK;
241 register unsigned workch; /* hold the character being tested */
242
243 #ifdef HAVE_TWONCALL_H
244 static char twentyone_flag;
245
246 /* Get TwentyOne options */
247 if (twentyone_flag == 0) {
248 twentyone_flag++;
249 if (GetTwentyOneID () == TWON_ID) {
250 int flags = GetTwentyOneOptions ();
251
252 if (flags & (1 << TWON_PERIOD_BIT))
253 multi_period = TRUE;
254 if (flags & (1 << TWON_SPECIAL_BIT))
255 special_char = TRUE;
256 }
257 }
258 #endif
259
260 /*---------------------------------------------------------------------------
261 Initialize various pointers and counters and stuff.
262 ---------------------------------------------------------------------------*/
263
264 /* can create path as long as not just freshening, or if user told us */
265 G.create_dirs = (!uO.fflag || renamed);
266
267 created_dir = FALSE; /* not yet */
268 renamed_fullpath = FALSE;
269
270 if (renamed) {
271 cp = G.filename - 1; /* point to beginning of renamed name... */
272 while (*++cp)
273 if (*cp == '\\') /* convert backslashes to forward */
274 *cp = '/';
275 cp = G.filename;
276 if ((G.filename[0] == '/')
277 || (isalpha(G.filename[0]) && G.filename[1] == ':')) {
278 /* user gave full pathname: don't prepend rootpath */
279 renamed_fullpath = TRUE;
280 }
281 }
282
283 if ((error = checkdir(__G__ (char *)NULL, INIT)) != 0)
284 return error; /* initialize path buffer, unless no memory */
285
286 *pathcomp = '\0'; /* initialize translation buffer */
287 pp = pathcomp; /* point to translation buffer */
288 if (uO.jflag) /* junking directories */
289 cp = (char *)strrchr(G.filename, '/');
290 if (cp == (char *)NULL) /* no '/' or not junking dirs */
291 cp = G.filename; /* point to internal zipfile-member pathname */
292 else
293 ++cp; /* point to start of last component of path */
294
295 /*---------------------------------------------------------------------------
296 Begin main loop through characters in filename.
297 ---------------------------------------------------------------------------*/
298
299 while ((workch = (uch)*cp++) != 0) {
300
301 if (_ismbblead((unsigned char)workch)) {
302 if (*cp) {
303 *pp++ = (char)workch;
304 *pp++ = (char)*cp++;
305 }
306 else
307 *pp++ = '_';
308 continue;
309 }
310
311 switch (workch) {
312 case '/': /* can assume -j flag not given */
313 *pp = '\0';
314 map2fat(pathcomp, last_dot); /* 18.3 trunc. (in place) */
315 if (strcmp(pathcomp, ".") == 0) {
316 /* don't bother appending "./" to the path */
317 *pathcomp = '\0';
318 } else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) {
319 /* "../" dir traversal detected, skip over it */
320 *pathcomp = '\0';
321 killed_ddot = TRUE; /* set "show message" flag */
322 }
323 /* when path component is not empty, append it now */
324 if (*pathcomp != '\0' &&
325 ((error = checkdir(__G__ pathcomp, APPEND_DIR))
326 & MPN_MASK) > MPN_INF_TRUNC)
327 return error;
328 pp = pathcomp; /* reset conversion buffer for next piece */
329 lastsemi = (char *)NULL; /* leave direct. semi-colons alone */
330 break;
331
332 /* drive names are not stored in zipfile, so no colons allowed;
333 * no brackets or most other punctuation either (all of which
334 * can appear in Unix-created archives; backslash is particularly
335 * bad unless all necessary directories exist) */
336
337 case '[': /* these punctuation characters forbidden */
338 case ']': /* only on plain FAT file systems */
339 case '+':
340 case ',':
341 case '=':
342 case '<':
343 case '>':
344 case '|':
345 case '\"':
346 case '\'':
347 if (!special_char)
348 workch = '_';
349 *pp++ = (char)workch;
350 break;
351
352 case '-':
353 if (pp == pathcomp && !special_char)
354 workch = '_';
355 *pp++ = (char)workch;
356 break;
357
358 case ':':
359 case '\\':
360 case '*':
361 case '?':
362 *pp++ = '_';
363 break;
364
365 case ';': /* VMS version (or DEC-20 attrib?) */
366 lastsemi = pp;
367 if (!special_char)
368 workch = '_';
369 *pp++ = (char)workch; /* keep for now; remove VMS ";##" */
370 break; /* later, if requested */
371
372 case ' ': /* change spaces to underscores */
373 #if 0 /* do it always */
374 if (uO.sflag) /* only if requested */
375 #endif
376 workch = '_';
377 *pp++ = (char)workch;
378 break;
379
380 default:
381 /* allow European characters in filenames: */
382 if (isprint(workch) || workch >= 128)
383 *pp++ = (char)workch;
384
385 } /* end switch */
386 } /* end while loop */
387
388 /* Show warning when stripping insecure "parent dir" path components */
389 if (killed_ddot && QCOND2) {
390 Info(slide, 0, ((char *)slide,
391 "warning: skipped \"../\" path component(s) in %s\n",
392 FnFilter1(G.filename)));
393 if (!(error & ~MPN_MASK))
394 error = (error & MPN_MASK) | PK_WARN;
395 }
396
397 /*---------------------------------------------------------------------------
398 Report if directory was created (and no file to create: filename ended
399 in '/'), check name to be sure it exists, and combine path and name be-
400 fore exiting.
401 ---------------------------------------------------------------------------*/
402
403 if (G.filename[strlen(G.filename) - 1] == '/') {
404 checkdir(__G__ G.filename, GETPATH);
405 if (created_dir) {
406 if (QCOND2) {
407 Info(slide, 0, ((char *)slide, " creating: %s\n",
408 FnFilter1(G.filename)));
409 }
410 /* set dir time (note trailing '/') */
411 return (error & ~MPN_MASK) | MPN_CREATED_DIR;
412 }
413 /* dir existed already; don't look for data to extract */
414 return (error & ~MPN_MASK) | MPN_INF_SKIP;
415 }
416
417 *pp = '\0'; /* done with pathcomp: terminate it */
418
419 /* if not saving them, remove VMS version numbers (appended ";###") */
420 if (!uO.V_flag && lastsemi) {
421 pp = lastsemi + 1;
422 while (isdigit((uch)(*pp)))
423 ++pp;
424 if (*pp == '\0') /* only digits between ';' and end: nuke */
425 *lastsemi = '\0';
426 }
427
428 map2fat(pathcomp, last_dot); /* 18.3 truncation (in place) */
429
430 if (*pathcomp == '\0') {
431 Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n",
432 FnFilter1(G.filename)));
433 return (error & ~MPN_MASK) | MPN_ERR_SKIP;
434 }
435
436 checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
437 checkdir(__G__ G.filename, GETPATH);
438
439 if (G.pInfo->vollabel) { /* set the volume label now */
440 int fd;
441
442 if (QCOND2)
443 Info(slide, 0, ((char *)slide, " labelling: %s\n",
444 FnFilter1(G.filename)));
445 if ((fd = _dos_newfile(G.filename, G.pInfo->file_attr)) < 0) {
446 Info(slide, 1, ((char *)slide,
447 "mapname: error setting volume label\n"));
448 return (error & ~MPN_MASK) | MPN_ERR_SKIP;
449 }
450 _dos_close(fd);
451 /* success: skip the "extraction" quietly */
452 return (error & ~MPN_MASK) | MPN_INF_SKIP;
453 }
454
455 return error;
456
457 } /* end function mapname() */
458
459
460
461
462 /**********************/
463 /* Function map2fat() */
464 /**********************/
465
map2fat(pathcomp,last_dot)466 static void map2fat(pathcomp, last_dot)
467 char *pathcomp, *last_dot;
468 {
469 char *np;
470
471 if (pathcomp == last_dot) { /* dotfile(e.g. ".foo") */
472 pathcomp = last_dot;
473 last_dot = (char *)NULL;
474 }
475
476 if (multi_period) {
477 if (strlen(pathcomp) <= 18)
478 return;
479 }
480 else {
481 char *p;
482
483 for (p = pathcomp; *p; p++)
484 if (*p == (char)'.' && p != last_dot)
485 *p = '_';
486 }
487
488 if (last_dot) {
489 *last_dot++ = '\0';
490 trunc_name(last_dot, 3);
491 }
492 np = trunc_name(pathcomp, 18);
493 if (last_dot) {
494 *--last_dot = '.';
495 if (np)
496 strcpy(np, last_dot);
497 }
498
499 } /* end function map2fat() */
500
trunc_name(char * name,int maxlen)501 static char *trunc_name(char *name, int maxlen)
502 {
503
504 if (strlen(name) <= maxlen)
505 return (char *)NULL;
506
507 do {
508 if (_ismbblead((unsigned char)*name)) {
509 if (--maxlen == 0)
510 break;
511 name++;
512 }
513 name++;
514 maxlen--;
515 } while (maxlen > 0);
516 *name = '\0';
517
518 return name;
519 }
520
521
522
523
524 /***********************/
525 /* Function checkdir() */
526 /***********************/
527
528 int checkdir(__G__ pathcomp, flag)
529 __GDEF
530 char *pathcomp;
531 int flag;
532 /*
533 * returns:
534 * MPN_OK - no problem detected
535 * MPN_INF_TRUNC - (on APPEND_NAME) truncated filename
536 * MPN_INF_SKIP - path doesn't exist, not allowed to create
537 * MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path
538 * exists and is not a directory, but is supposed to be
539 * MPN_ERR_TOOLONG - path is too long
540 * MPN_NOMEM - can't allocate memory for filename buffers
541 */
542 {
543 static int rootlen = 0; /* length of rootpath */
544 static char *rootpath; /* user's "extract-to" directory */
545 static char *buildpath; /* full path (so far) to extracted file */
546 static char *end; /* pointer to end of buildpath ('\0') */
547
548 # define FN_MASK 7
549 # define FUNCTION (flag & FN_MASK)
550
551
552 /*---------------------------------------------------------------------------
553 APPEND_DIR: append the path component to the path being built and check
554 for its existence. If doesn't exist and we are creating directories, do
555 so for this one; else signal success or error as appropriate.
556 ---------------------------------------------------------------------------*/
557
558 if (FUNCTION == APPEND_DIR) {
559 int too_long = FALSE;
560
561 Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp)));
562 while ((*end = *pathcomp++) != '\0')
563 ++end;
564
565 /* GRR: could do better check, see if overrunning buffer as we go:
566 * check end-buildpath after each append, set warning variable if
567 * within 20 of FILNAMSIZ; then if var set, do careful check when
568 * appending. Clear variable when begin new path. */
569
570 if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, '\0' */
571 too_long = TRUE; /* check if extracting directory? */
572 if (SSTAT(buildpath, &G.statbuf)) /* path doesn't exist */
573 {
574 if (!G.create_dirs) { /* told not to create (freshening) */
575 free(buildpath);
576 return MPN_INF_SKIP; /* path doesn't exist: nothing to do */
577 }
578 if (too_long) {
579 Info(slide, 1, ((char *)slide,
580 "checkdir error: path too long: %s\n",
581 FnFilter1(buildpath)));
582 free(buildpath);
583 /* no room for filenames: fatal */
584 return MPN_ERR_TOOLONG;
585 }
586 if (mkdir(buildpath, 0777) == -1) { /* create the directory */
587 Info(slide, 1, ((char *)slide,
588 "checkdir error: cannot create %s\n\
589 unable to process %s.\n",
590 FnFilter2(buildpath), FnFilter1(G.filename)));
591 free(buildpath);
592 /* path didn't exist, tried to create, failed */
593 return MPN_ERR_SKIP;
594 }
595 created_dir = TRUE;
596 } else if (!S_ISDIR(G.statbuf.st_mode)) {
597 Info(slide, 1, ((char *)slide,
598 "checkdir error: %s exists but is not directory\n\
599 unable to process %s.\n",
600 FnFilter2(buildpath), FnFilter1(G.filename)));
601 free(buildpath);
602 /* path existed but wasn't dir */
603 return MPN_ERR_SKIP;
604 }
605 if (too_long) {
606 Info(slide, 1, ((char *)slide,
607 "checkdir error: path too long: %s\n", FnFilter1(buildpath)));
608 free(buildpath);
609 /* no room for filenames: fatal */
610 return MPN_ERR_TOOLONG;
611 }
612 *end++ = '/';
613 *end = '\0';
614 Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
615 return MPN_OK;
616
617 } /* end if (FUNCTION == APPEND_DIR) */
618
619 /*---------------------------------------------------------------------------
620 GETPATH: copy full path to the string pointed at by pathcomp, and free
621 buildpath.
622 ---------------------------------------------------------------------------*/
623
624 if (FUNCTION == GETPATH) {
625 strcpy(pathcomp, buildpath);
626 Trace((stderr, "getting and freeing path [%s]\n",
627 FnFilter1(pathcomp)));
628 free(buildpath);
629 buildpath = end = (char *)NULL;
630 return MPN_OK;
631 }
632
633 /*---------------------------------------------------------------------------
634 APPEND_NAME: assume the path component is the filename; append it and
635 return without checking for existence.
636 ---------------------------------------------------------------------------*/
637
638 if (FUNCTION == APPEND_NAME) {
639
640 Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp)));
641 while ((*end = *pathcomp++) != '\0') {
642 ++end;
643 if ((end-buildpath) >= FILNAMSIZ) {
644 *--end = '\0';
645 Info(slide, 1, ((char *)slide,
646 "checkdir warning: path too long; truncating\n\
647 %s\n -> %s\n",
648 FnFilter1(G.filename), FnFilter2(buildpath)));
649 return MPN_INF_TRUNC; /* filename truncated */
650 }
651 }
652 Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
653 /* could check for existence here, prompt for new name... */
654 return MPN_OK;
655 }
656
657 /*---------------------------------------------------------------------------
658 INIT: allocate and initialize buffer space for the file currently being
659 extracted. If file was renamed with an absolute path, don't prepend the
660 extract-to path.
661 ---------------------------------------------------------------------------*/
662
663 if (FUNCTION == INIT) {
664 Trace((stderr, "initializing buildpath to "));
665 /* allocate space for full filename, root path, and maybe "./" */
666 if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+3)) ==
667 (char *)NULL)
668 return MPN_NOMEM;
669 if ((rootlen > 0) && !renamed_fullpath) {
670 strcpy(buildpath, rootpath);
671 end = buildpath + rootlen;
672 } else {
673 *buildpath = '\0';
674 end = buildpath;
675 }
676 Trace((stderr, "[%s]\n", FnFilter1(buildpath)));
677 return MPN_OK;
678 }
679
680 /*---------------------------------------------------------------------------
681 ROOT: if appropriate, store the path in rootpath and create it if neces-
682 sary; else assume it's a zipfile member and return. This path segment
683 gets used in extracting all members from every zipfile specified on the
684 command line.
685 ---------------------------------------------------------------------------*/
686
687 #if (!defined(SFX) || defined(SFX_EXDIR))
688 if (FUNCTION == ROOT) {
689 Trace((stderr, "initializing root path to [%s]\n",
690 FnFilter1(pathcomp)));
691 if (pathcomp == (char *)NULL) {
692 rootlen = 0;
693 return MPN_OK;
694 }
695 if (rootlen > 0) /* rootpath was already set, nothing to do */
696 return MPN_OK;
697 if ((rootlen = strlen(pathcomp)) > 0) {
698 int had_trailing_pathsep=FALSE, has_drive=FALSE, add_dot=FALSE;
699 char *tmproot;
700
701 if ((tmproot = (char *)malloc(rootlen+3)) == (char *)NULL) {
702 rootlen = 0;
703 return MPN_NOMEM;
704 }
705 strcpy(tmproot, pathcomp);
706 if (isalpha((uch)tmproot[0]) && tmproot[1] == ':')
707 has_drive = TRUE; /* drive designator */
708 if (tmproot[rootlen-1] == '/' || tmproot[rootlen-1] == '\\') {
709 tmproot[--rootlen] = '\0';
710 had_trailing_pathsep = TRUE;
711 }
712 if (has_drive && (rootlen == 2)) {
713 if (!had_trailing_pathsep) /* i.e., original wasn't "x:/" */
714 add_dot = TRUE; /* relative path: add '.' before '/' */
715 } else if (rootlen > 0 && (SSTAT(tmproot, &G.statbuf) ||
716 !S_ISDIR(G.statbuf.st_mode))) /* path does not exist */
717 {
718 if (!G.create_dirs /* || iswild(tmproot) */ ) {
719 free(tmproot);
720 rootlen = 0;
721 /* skip (or treat as stored file) */
722 return MPN_INF_SKIP;
723 }
724 /* create the directory (could add loop here scanning tmproot
725 * to create more than one level, but why really necessary?) */
726 if (mkdir(tmproot, 0777) == -1) {
727 Info(slide, 1, ((char *)slide,
728 "checkdir: cannot create extraction directory: %s\n",
729 FnFilter1(tmproot)));
730 free(tmproot);
731 rootlen = 0;
732 /* path didn't exist, tried to create, and failed: */
733 /* file exists, or 2+ subdir levels required */
734 return MPN_ERR_SKIP;
735 }
736 }
737 if (add_dot) /* had just "x:", make "x:." */
738 tmproot[rootlen++] = '.';
739 tmproot[rootlen++] = '/';
740 tmproot[rootlen] = '\0';
741 if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) {
742 free(tmproot);
743 rootlen = 0;
744 return MPN_NOMEM;
745 }
746 Trace((stderr, "rootpath now = [%s]\n", FnFilter1(rootpath)));
747 }
748 return MPN_OK;
749 }
750 #endif /* !SFX || SFX_EXDIR */
751
752 /*---------------------------------------------------------------------------
753 END: free rootpath, immediately prior to program exit.
754 ---------------------------------------------------------------------------*/
755
756 if (FUNCTION == END) {
757 Trace((stderr, "freeing rootpath\n"));
758 if (rootlen > 0) {
759 free(rootpath);
760 rootlen = 0;
761 }
762 return MPN_OK;
763 }
764
765 return MPN_INVALID; /* should never reach */
766
767 } /* end function checkdir() */
768
769
770
771
772 #if (defined(USE_EF_UT_TIME) || defined(TIMESTAMP))
773 /* The following DOS date/time structure is machine-dependent as it
774 * assumes "little-endian" byte order. For MSDOS-specific code, which
775 * is run on ix86 CPUs (or emulators), this assumption is valid; but
776 * care should be taken when using this code as template for other ports.
777 */
778 typedef union {
779 ulg z_dostime;
780 struct { /* date and time words */
781 ush ztime; /* DOS file modification time word */
782 ush zdate; /* DOS file modification date word */
783 } zft;
784 struct { /* DOS date/time components bitfield */
785 unsigned zt_se : 5;
786 unsigned zt_mi : 6;
787 unsigned zt_hr : 5;
788 unsigned zd_dy : 5;
789 unsigned zd_mo : 4;
790 unsigned zd_yr : 7;
791 } z_dtf;
792 } dos_fdatetime;
793 #endif /* USE_EF_UT_TIME || TIMESTAMP */
794
795
796 /****************************/
797 /* Function close_outfile() */
798 /****************************/
799
close_outfile(__G)800 void close_outfile(__G)
801 __GDEF
802 {
803 /* skip restoring time stamps on user's request */
804 if (uO.D_flag <= 1) {
805 #ifdef USE_EF_UT_TIME
806 dos_fdatetime dos_dt;
807 iztimes z_utime;
808 struct tm *t;
809 #endif /* USE_EF_UT_TIME */
810
811
812 #ifdef USE_EF_UT_TIME
813 if (G.extra_field &&
814 #ifdef IZ_CHECK_TZ
815 G.tz_is_valid &&
816 #endif
817 (ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
818 G.lrec.last_mod_dos_datetime, &z_utime, NULL)
819 & EB_UT_FL_MTIME))
820 {
821 TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n",
822 z_utime.mtime));
823 /* round up (down if "up" overflows) to even seconds */
824 if (z_utime.mtime & 1)
825 z_utime.mtime = (z_utime.mtime + 1 > z_utime.mtime) ?
826 z_utime.mtime + 1 : z_utime.mtime - 1;
827 TIMET_TO_NATIVE(z_utime.mtime) /* NOP unless MSC 7 or Macintosh */
828 t = localtime(&(z_utime.mtime));
829 } else
830 t = (struct tm *)NULL;
831 if (t != (struct tm *)NULL) {
832 if (t->tm_year < 80) {
833 dos_dt.z_dtf.zt_se = 0;
834 dos_dt.z_dtf.zt_mi = 0;
835 dos_dt.z_dtf.zt_hr = 0;
836 dos_dt.z_dtf.zd_dy = 1;
837 dos_dt.z_dtf.zd_mo = 1;
838 dos_dt.z_dtf.zd_yr = 0;
839 } else {
840 dos_dt.z_dtf.zt_se = t->tm_sec >> 1;
841 dos_dt.z_dtf.zt_mi = t->tm_min;
842 dos_dt.z_dtf.zt_hr = t->tm_hour;
843 dos_dt.z_dtf.zd_dy = t->tm_mday;
844 dos_dt.z_dtf.zd_mo = t->tm_mon + 1;
845 dos_dt.z_dtf.zd_yr = t->tm_year - 80;
846 }
847 } else {
848 dos_dt.z_dostime = G.lrec.last_mod_dos_datetime;
849 }
850 _dos_filedate(fileno(G.outfile), dos_dt.z_dostime);
851 #else /* !USE_EF_UT_TIME */
852 _dos_filedate(fileno(G.outfile), G.lrec.last_mod_dos_datetime);
853 #endif /* ?USE_EF_UT_TIME */
854 }
855
856 fclose(G.outfile);
857
858 _dos_chmod(G.filename, G.pInfo->file_attr);
859
860 } /* end function close_outfile() */
861
862
863
864
865
866 #ifdef TIMESTAMP
867
868 /*************************/
869 /* Function stamp_file() */
870 /*************************/
871
stamp_file(fname,modtime)872 int stamp_file(fname, modtime)
873 ZCONST char *fname;
874 time_t modtime;
875 {
876 dos_fdatetime dos_dt;
877 time_t t_even;
878 struct tm *t;
879 int fd; /* file handle */
880
881 /* round up (down if "up" overflows) to even seconds */
882 t_even = ((modtime + 1 > modtime) ? modtime + 1 : modtime) & (~1);
883 TIMET_TO_NATIVE(t_even) /* NOP unless MSC 7.0 or Macintosh */
884 t = localtime(&t_even);
885 if (t == (struct tm *)NULL)
886 return -1; /* time conversion error */
887 if (t->tm_year < 80) {
888 dos_dt.z_dtf.zt_se = 0;
889 dos_dt.z_dtf.zt_mi = 0;
890 dos_dt.z_dtf.zt_hr = 0;
891 dos_dt.z_dtf.zd_dy = 1;
892 dos_dt.z_dtf.zd_mo = 1;
893 dos_dt.z_dtf.zd_yr = 0;
894 } else {
895 dos_dt.z_dtf.zt_se = t->tm_sec >> 1;
896 dos_dt.z_dtf.zt_mi = t->tm_min;
897 dos_dt.z_dtf.zt_hr = t->tm_hour;
898 dos_dt.z_dtf.zd_dy = t->tm_mday;
899 dos_dt.z_dtf.zd_mo = t->tm_mon + 1;
900 dos_dt.z_dtf.zd_yr = t->tm_year - 80;
901 }
902 if (((fd = open((char *)fname, 0)) == -1) ||
903 (_dos_filedate(fd, dos_dt.z_dostime)))
904 {
905 if (fd != -1)
906 close(fd);
907 return -1;
908 }
909 close(fd);
910 return 0;
911
912 } /* end function stamp_file() */
913
914 #endif /* TIMESTAMP */
915
916
917
918
919 #ifndef SFX
920
921 /************************/
922 /* Function version() */
923 /************************/
924
version(__G)925 void version(__G)
926 __GDEF
927 {
928 int len;
929 #if 0
930 char buf[40];
931 #endif
932
933 len = sprintf((char *)slide, LoadFarString(CompiledWith),
934
935 #ifdef __GNUC__
936 "gcc ", __VERSION__,
937 #else
938 # if 0
939 "cc ", (sprintf(buf, " version %d", _RELEASE), buf),
940 # else
941 "unknown compiler", "",
942 # endif
943 #endif
944
945 "Human68k",
946 #ifdef __MC68020__
947 " (X68030)",
948 #else
949 " (X680x0)",
950 #endif
951
952 #ifdef __DATE__
953 " on ", __DATE__
954 #else
955 "", ""
956 #endif
957 );
958
959 (*G.message)((zvoid *)&G, slide, (ulg)len, 0);
960
961 } /* end function version() */
962
963 #endif /* !SFX */
964
965
966 #if defined (SFX) && defined (MAIN)
main(int argc,char * argv[])967 int main(int argc, char *argv[])
968 {
969 char argv0[92];
970
971 /* make true argv[0] (startup routine makes it inaccuracy) */
972 argv[0] = strcat (strcpy (argv0, _procp->exe_path), _procp->exe_name);
973
974 return MAIN(argc, argv);
975 }
976 #endif /* SFX && MAIN */
977