2 * Copyright (c) 2003-2007 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include "archive_platform.h"
27 __FBSDID("$FreeBSD$");
29 #ifdef HAVE_SYS_STAT_H
32 #ifdef HAVE_SYS_TYPES_H
33 #include <sys/types.h>
36 #include <sys/mkdev.h>
38 #ifdef MAJOR_IN_SYSMACROS
39 #include <sys/sysmacros.h>
42 #ifdef HAVE_EXT2FS_EXT2_FS_H
43 #include <ext2fs/ext2_fs.h> /* for Linux file flags */
48 #ifdef HAVE_LINUX_FS_H
49 #include <linux/fs.h> /* for Linux file flags */
51 #ifdef HAVE_LINUX_EXT2_FS_H
52 #include <linux/ext2_fs.h> /* for Linux file flags */
67 #include "archive_entry.h"
68 #include "archive_private.h"
69 #include "archive_entry_private.h"
72 #define max(a, b) ((a)>(b)?(a):(b))
74 /* Play games to come up with a suitable makedev() definition. */
77 #include <sys/netmgr.h>
78 #define ae_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
80 /* There's a "makedev" macro. */
81 #define ae_makedev(maj, min) makedev((maj), (min))
82 #elif defined mkdev || defined _WIN32 || defined __WIN32__
84 #define ae_makedev(maj, min) mkdev((maj), (min))
86 /* There's a "makedev" function. */
87 #define ae_makedev(maj, min) makedev((maj), (min))
90 static void aes_clean(struct aes *);
91 static void aes_copy(struct aes *dest, struct aes *src);
92 static const char * aes_get_mbs(struct aes *);
93 static const wchar_t * aes_get_wcs(struct aes *);
94 static int aes_set_mbs(struct aes *, const char *mbs);
95 static int aes_copy_mbs(struct aes *, const char *mbs);
96 /* static void aes_set_wcs(struct aes *, const wchar_t *wcs); */
97 static int aes_copy_wcs(struct aes *, const wchar_t *wcs);
98 static int aes_copy_wcs_len(struct aes *, const wchar_t *wcs, size_t);
100 static char * ae_fflagstostr(unsigned long bitset, unsigned long bitclear);
101 static const wchar_t *ae_wcstofflags(const wchar_t *stringp,
102 unsigned long *setp, unsigned long *clrp);
103 static const char *ae_strtofflags(const char *stringp,
104 unsigned long *setp, unsigned long *clrp);
105 static void append_entry_w(wchar_t **wp, const wchar_t *prefix, int tag,
106 const wchar_t *wname, int perm, int id);
107 static void append_id_w(wchar_t **wp, int id);
109 static int acl_special(struct archive_entry *entry,
110 int type, int permset, int tag);
111 static struct ae_acl *acl_new_entry(struct archive_entry *entry,
112 int type, int permset, int tag, int id);
113 static int isint_w(const wchar_t *start, const wchar_t *end, int *result);
114 static void next_field_w(const wchar_t **wp, const wchar_t **start,
115 const wchar_t **end, wchar_t *sep);
116 static int prefix_w(const wchar_t *start, const wchar_t *end,
117 const wchar_t *test);
119 archive_entry_acl_add_entry_w_len(struct archive_entry *entry, int type,
120 int permset, int tag, int id, const wchar_t *name, size_t);
124 static wchar_t * wcscpy(wchar_t *s1, const wchar_t *s2)
127 while ((*s1 = *s2) != L'\0')
133 static size_t wcslen(const wchar_t *s)
135 const wchar_t *p = s;
142 /* Good enough for simple equality testing, but not for sorting. */
143 #define wmemcmp(a,b,i) memcmp((a), (b), (i) * sizeof(wchar_t))
146 #define wmemcpy(a,b,i) (wchar_t *)memcpy((a), (b), (i) * sizeof(wchar_t))
150 aes_clean(struct aes *aes)
153 free((wchar_t *)(uintptr_t)aes->aes_wcs);
156 archive_string_free(&(aes->aes_mbs));
157 archive_string_free(&(aes->aes_utf8));
162 aes_copy(struct aes *dest, struct aes *src)
166 dest->aes_set = src->aes_set;
167 archive_string_copy(&(dest->aes_mbs), &(src->aes_mbs));
168 archive_string_copy(&(dest->aes_utf8), &(src->aes_utf8));
170 if (src->aes_wcs != NULL) {
171 wp = (wchar_t *)malloc((wcslen(src->aes_wcs) + 1)
174 __archive_errx(1, "No memory for aes_copy()");
175 wcscpy(wp, src->aes_wcs);
181 aes_get_utf8(struct aes *aes)
183 if (aes->aes_set & AES_SET_UTF8)
184 return (aes->aes_utf8.s);
185 if ((aes->aes_set & AES_SET_WCS)
186 && archive_strappend_w_utf8(&(aes->aes_utf8), aes->aes_wcs) != NULL) {
187 aes->aes_set |= AES_SET_UTF8;
188 return (aes->aes_utf8.s);
194 aes_get_mbs(struct aes *aes)
196 /* If we already have an MBS form, return that immediately. */
197 if (aes->aes_set & AES_SET_MBS)
198 return (aes->aes_mbs.s);
199 /* If there's a WCS form, try converting with the native locale. */
200 if ((aes->aes_set & AES_SET_WCS)
201 && archive_strappend_w_mbs(&(aes->aes_mbs), aes->aes_wcs) != NULL) {
202 aes->aes_set |= AES_SET_MBS;
203 return (aes->aes_mbs.s);
205 /* We'll use UTF-8 for MBS if all else fails. */
206 return (aes_get_utf8(aes));
209 static const wchar_t *
210 aes_get_wcs(struct aes *aes)
215 /* Return WCS form if we already have it. */
216 if (aes->aes_set & AES_SET_WCS)
217 return (aes->aes_wcs);
219 if (aes->aes_set & AES_SET_MBS) {
220 /* Try converting MBS to WCS using native locale. */
222 * No single byte will be more than one wide character,
223 * so this length estimate will always be big enough.
225 size_t wcs_length = aes->aes_mbs.length;
227 w = (wchar_t *)malloc((wcs_length + 1) * sizeof(wchar_t));
229 __archive_errx(1, "No memory for aes_get_wcs()");
230 r = mbstowcs(w, aes->aes_mbs.s, wcs_length);
233 aes->aes_set |= AES_SET_WCS;
234 return (aes->aes_wcs = w);
239 if (aes->aes_set & AES_SET_UTF8) {
240 /* Try converting UTF8 to WCS. */
241 aes->aes_wcs = __archive_string_utf8_w(&(aes->aes_utf8));
242 aes->aes_set |= AES_SET_WCS;
243 return (aes->aes_wcs);
249 aes_set_mbs(struct aes *aes, const char *mbs)
251 return (aes_copy_mbs(aes, mbs));
255 aes_copy_mbs(struct aes *aes, const char *mbs)
261 aes->aes_set = AES_SET_MBS; /* Only MBS form is set now. */
262 archive_strcpy(&(aes->aes_mbs), mbs);
263 archive_string_empty(&(aes->aes_utf8));
265 free((wchar_t *)(uintptr_t)aes->aes_wcs);
272 * The 'update' form tries to proactively update all forms of
273 * this string (WCS and MBS) and returns an error if any of
274 * them fail. This is used by the 'pax' handler, for instance,
275 * to detect and report character-conversion failures early while
276 * still allowing clients to get potentially useful values from
277 * the more tolerant lazy conversions. (get_mbs and get_wcs will
278 * strive to give the user something useful, so you can get hopefully
279 * usable values even if some of the character conversions are failing.)
282 aes_update_utf8(struct aes *aes, const char *utf8)
286 return (1); /* Succeeded in clearing everything. */
289 /* Save the UTF8 string. */
290 archive_strcpy(&(aes->aes_utf8), utf8);
292 /* Empty the mbs and wcs strings. */
293 archive_string_empty(&(aes->aes_mbs));
295 free((wchar_t *)(uintptr_t)aes->aes_wcs);
299 aes->aes_set = AES_SET_UTF8; /* Only UTF8 is set now. */
301 /* TODO: We should just do a direct UTF-8 to MBS conversion
302 * here. That would be faster, use less space, and give the
303 * same information. (If a UTF-8 to MBS conversion succeeds,
304 * then UTF-8->WCS and Unicode->MBS conversions will both
307 /* Try converting UTF8 to WCS, return false on failure. */
308 aes->aes_wcs = __archive_string_utf8_w(&(aes->aes_utf8));
309 if (aes->aes_wcs == NULL)
311 aes->aes_set = AES_SET_UTF8 | AES_SET_WCS; /* Both UTF8 and WCS set. */
313 /* Try converting WCS to MBS, return false on failure. */
314 if (archive_strappend_w_mbs(&(aes->aes_mbs), aes->aes_wcs) == NULL)
316 aes->aes_set = AES_SET_UTF8 | AES_SET_WCS | AES_SET_MBS;
318 /* All conversions succeeded. */
323 aes_copy_wcs(struct aes *aes, const wchar_t *wcs)
325 return aes_copy_wcs_len(aes, wcs, wcs == NULL ? 0 : wcslen(wcs));
329 aes_copy_wcs_len(struct aes *aes, const wchar_t *wcs, size_t len)
337 aes->aes_set = AES_SET_WCS; /* Only WCS form set. */
338 archive_string_empty(&(aes->aes_mbs));
339 archive_string_empty(&(aes->aes_utf8));
341 free((wchar_t *)(uintptr_t)aes->aes_wcs);
344 w = (wchar_t *)malloc((len + 1) * sizeof(wchar_t));
346 __archive_errx(1, "No memory for aes_copy_wcs()");
347 wmemcpy(w, wcs, len);
353 /****************************************************************************
357 ****************************************************************************/
359 struct archive_entry *
360 archive_entry_clear(struct archive_entry *entry)
364 aes_clean(&entry->ae_fflags_text);
365 aes_clean(&entry->ae_gname);
366 aes_clean(&entry->ae_hardlink);
367 aes_clean(&entry->ae_pathname);
368 aes_clean(&entry->ae_symlink);
369 aes_clean(&entry->ae_uname);
370 archive_entry_acl_clear(entry);
371 archive_entry_xattr_clear(entry);
373 memset(entry, 0, sizeof(*entry));
377 struct archive_entry *
378 archive_entry_clone(struct archive_entry *entry)
380 struct archive_entry *entry2;
381 struct ae_acl *ap, *ap2;
384 /* Allocate new structure and copy over all of the fields. */
385 entry2 = (struct archive_entry *)malloc(sizeof(*entry2));
388 memset(entry2, 0, sizeof(*entry2));
389 entry2->ae_stat = entry->ae_stat;
390 entry2->ae_fflags_set = entry->ae_fflags_set;
391 entry2->ae_fflags_clear = entry->ae_fflags_clear;
393 aes_copy(&entry2->ae_fflags_text, &entry->ae_fflags_text);
394 aes_copy(&entry2->ae_gname, &entry->ae_gname);
395 aes_copy(&entry2->ae_hardlink, &entry->ae_hardlink);
396 aes_copy(&entry2->ae_pathname, &entry->ae_pathname);
397 aes_copy(&entry2->ae_symlink, &entry->ae_symlink);
398 entry2->ae_set = entry->ae_set;
399 aes_copy(&entry2->ae_uname, &entry->ae_uname);
401 /* Copy ACL data over. */
402 ap = entry->acl_head;
404 ap2 = acl_new_entry(entry2,
405 ap->type, ap->permset, ap->tag, ap->id);
407 aes_copy(&ap2->name, &ap->name);
411 /* Copy xattr data over. */
412 xp = entry->xattr_head;
414 archive_entry_xattr_add_entry(entry2,
415 xp->name, xp->value, xp->size);
423 archive_entry_free(struct archive_entry *entry)
425 archive_entry_clear(entry);
429 struct archive_entry *
430 archive_entry_new(void)
432 struct archive_entry *entry;
434 entry = (struct archive_entry *)malloc(sizeof(*entry));
437 memset(entry, 0, sizeof(*entry));
442 * Functions for reading fields from an archive_entry.
446 archive_entry_atime(struct archive_entry *entry)
448 return (entry->ae_stat.aest_atime);
452 archive_entry_atime_nsec(struct archive_entry *entry)
454 return (entry->ae_stat.aest_atime_nsec);
458 archive_entry_atime_is_set(struct archive_entry *entry)
460 return (entry->ae_set & AE_SET_ATIME);
464 archive_entry_ctime(struct archive_entry *entry)
466 return (entry->ae_stat.aest_ctime);
470 archive_entry_ctime_is_set(struct archive_entry *entry)
472 return (entry->ae_set & AE_SET_CTIME);
476 archive_entry_ctime_nsec(struct archive_entry *entry)
478 return (entry->ae_stat.aest_ctime_nsec);
482 archive_entry_dev(struct archive_entry *entry)
484 if (entry->ae_stat.aest_dev_is_broken_down)
485 return ae_makedev(entry->ae_stat.aest_devmajor,
486 entry->ae_stat.aest_devminor);
488 return (entry->ae_stat.aest_dev);
492 archive_entry_devmajor(struct archive_entry *entry)
494 if (entry->ae_stat.aest_dev_is_broken_down)
495 return (entry->ae_stat.aest_devmajor);
497 return major(entry->ae_stat.aest_dev);
501 archive_entry_devminor(struct archive_entry *entry)
503 if (entry->ae_stat.aest_dev_is_broken_down)
504 return (entry->ae_stat.aest_devminor);
506 return minor(entry->ae_stat.aest_dev);
510 archive_entry_filetype(struct archive_entry *entry)
512 return (AE_IFMT & entry->ae_stat.aest_mode);
516 archive_entry_fflags(struct archive_entry *entry,
517 unsigned long *set, unsigned long *clear)
519 *set = entry->ae_fflags_set;
520 *clear = entry->ae_fflags_clear;
524 * Note: if text was provided, this just returns that text. If you
525 * really need the text to be rebuilt in a canonical form, set the
526 * text, ask for the bitmaps, then set the bitmaps. (Setting the
527 * bitmaps clears any stored text.) This design is deliberate: if
528 * we're editing archives, we don't want to discard flags just because
529 * they aren't supported on the current system. The bitmap<->text
530 * conversions are platform-specific (see below).
533 archive_entry_fflags_text(struct archive_entry *entry)
538 f = aes_get_mbs(&entry->ae_fflags_text);
542 if (entry->ae_fflags_set == 0 && entry->ae_fflags_clear == 0)
545 p = ae_fflagstostr(entry->ae_fflags_set, entry->ae_fflags_clear);
549 aes_copy_mbs(&entry->ae_fflags_text, p);
551 f = aes_get_mbs(&entry->ae_fflags_text);
556 archive_entry_gid(struct archive_entry *entry)
558 return (entry->ae_stat.aest_gid);
562 archive_entry_gname(struct archive_entry *entry)
564 return (aes_get_mbs(&entry->ae_gname));
568 archive_entry_gname_w(struct archive_entry *entry)
570 return (aes_get_wcs(&entry->ae_gname));
574 archive_entry_hardlink(struct archive_entry *entry)
576 if (entry->ae_set & AE_SET_HARDLINK)
577 return (aes_get_mbs(&entry->ae_hardlink));
582 archive_entry_hardlink_w(struct archive_entry *entry)
584 if (entry->ae_set & AE_SET_HARDLINK)
585 return (aes_get_wcs(&entry->ae_hardlink));
590 archive_entry_ino(struct archive_entry *entry)
592 return (entry->ae_stat.aest_ino);
596 archive_entry_mode(struct archive_entry *entry)
598 return (entry->ae_stat.aest_mode);
602 archive_entry_mtime(struct archive_entry *entry)
604 return (entry->ae_stat.aest_mtime);
608 archive_entry_mtime_nsec(struct archive_entry *entry)
610 return (entry->ae_stat.aest_mtime_nsec);
614 archive_entry_mtime_is_set(struct archive_entry *entry)
616 return (entry->ae_set & AE_SET_MTIME);
620 archive_entry_nlink(struct archive_entry *entry)
622 return (entry->ae_stat.aest_nlink);
626 archive_entry_pathname(struct archive_entry *entry)
628 return (aes_get_mbs(&entry->ae_pathname));
632 archive_entry_pathname_w(struct archive_entry *entry)
634 return (aes_get_wcs(&entry->ae_pathname));
638 archive_entry_rdev(struct archive_entry *entry)
640 if (entry->ae_stat.aest_rdev_is_broken_down)
641 return ae_makedev(entry->ae_stat.aest_rdevmajor,
642 entry->ae_stat.aest_rdevminor);
644 return (entry->ae_stat.aest_rdev);
648 archive_entry_rdevmajor(struct archive_entry *entry)
650 if (entry->ae_stat.aest_rdev_is_broken_down)
651 return (entry->ae_stat.aest_rdevmajor);
653 return major(entry->ae_stat.aest_rdev);
657 archive_entry_rdevminor(struct archive_entry *entry)
659 if (entry->ae_stat.aest_rdev_is_broken_down)
660 return (entry->ae_stat.aest_rdevminor);
662 return minor(entry->ae_stat.aest_rdev);
666 archive_entry_size(struct archive_entry *entry)
668 return (entry->ae_stat.aest_size);
672 archive_entry_size_is_set(struct archive_entry *entry)
674 return (entry->ae_set & AE_SET_SIZE);
678 archive_entry_sourcepath(struct archive_entry *entry)
680 return (aes_get_mbs(&entry->ae_sourcepath));
684 archive_entry_symlink(struct archive_entry *entry)
686 if (entry->ae_set & AE_SET_SYMLINK)
687 return (aes_get_mbs(&entry->ae_symlink));
692 archive_entry_symlink_w(struct archive_entry *entry)
694 if (entry->ae_set & AE_SET_SYMLINK)
695 return (aes_get_wcs(&entry->ae_symlink));
700 archive_entry_uid(struct archive_entry *entry)
702 return (entry->ae_stat.aest_uid);
706 archive_entry_uname(struct archive_entry *entry)
708 return (aes_get_mbs(&entry->ae_uname));
712 archive_entry_uname_w(struct archive_entry *entry)
714 return (aes_get_wcs(&entry->ae_uname));
718 * Functions to set archive_entry properties.
722 archive_entry_set_filetype(struct archive_entry *entry, unsigned int type)
724 entry->stat_valid = 0;
725 entry->ae_stat.aest_mode &= ~AE_IFMT;
726 entry->ae_stat.aest_mode |= AE_IFMT & type;
730 archive_entry_set_fflags(struct archive_entry *entry,
731 unsigned long set, unsigned long clear)
733 aes_clean(&entry->ae_fflags_text);
734 entry->ae_fflags_set = set;
735 entry->ae_fflags_clear = clear;
739 archive_entry_copy_fflags_text(struct archive_entry *entry,
742 aes_copy_mbs(&entry->ae_fflags_text, flags);
743 return (ae_strtofflags(flags,
744 &entry->ae_fflags_set, &entry->ae_fflags_clear));
748 archive_entry_copy_fflags_text_w(struct archive_entry *entry,
749 const wchar_t *flags)
751 aes_copy_wcs(&entry->ae_fflags_text, flags);
752 return (ae_wcstofflags(flags,
753 &entry->ae_fflags_set, &entry->ae_fflags_clear));
757 archive_entry_set_gid(struct archive_entry *entry, gid_t g)
759 entry->stat_valid = 0;
760 entry->ae_stat.aest_gid = g;
764 archive_entry_set_gname(struct archive_entry *entry, const char *name)
766 aes_set_mbs(&entry->ae_gname, name);
770 archive_entry_copy_gname(struct archive_entry *entry, const char *name)
772 aes_copy_mbs(&entry->ae_gname, name);
776 archive_entry_copy_gname_w(struct archive_entry *entry, const wchar_t *name)
778 aes_copy_wcs(&entry->ae_gname, name);
782 archive_entry_update_gname_utf8(struct archive_entry *entry, const char *name)
784 return (aes_update_utf8(&entry->ae_gname, name));
788 archive_entry_set_ino(struct archive_entry *entry, unsigned long ino)
790 entry->stat_valid = 0;
791 entry->ae_stat.aest_ino = ino;
795 archive_entry_set_hardlink(struct archive_entry *entry, const char *target)
797 aes_set_mbs(&entry->ae_hardlink, target);
799 entry->ae_set |= AE_SET_HARDLINK;
801 entry->ae_set &= ~AE_SET_HARDLINK;
805 archive_entry_copy_hardlink(struct archive_entry *entry, const char *target)
807 aes_copy_mbs(&entry->ae_hardlink, target);
809 entry->ae_set |= AE_SET_HARDLINK;
811 entry->ae_set &= ~AE_SET_HARDLINK;
815 archive_entry_copy_hardlink_w(struct archive_entry *entry, const wchar_t *target)
817 aes_copy_wcs(&entry->ae_hardlink, target);
819 entry->ae_set |= AE_SET_HARDLINK;
821 entry->ae_set &= ~AE_SET_HARDLINK;
825 archive_entry_set_atime(struct archive_entry *entry, time_t t, long ns)
827 entry->stat_valid = 0;
828 entry->ae_set |= AE_SET_ATIME;
829 entry->ae_stat.aest_atime = t;
830 entry->ae_stat.aest_atime_nsec = ns;
834 archive_entry_unset_atime(struct archive_entry *entry)
836 archive_entry_set_atime(entry, 0, 0);
837 entry->ae_set &= ~AE_SET_ATIME;
841 archive_entry_set_ctime(struct archive_entry *entry, time_t t, long ns)
843 entry->stat_valid = 0;
844 entry->ae_set |= AE_SET_CTIME;
845 entry->ae_stat.aest_ctime = t;
846 entry->ae_stat.aest_ctime_nsec = ns;
850 archive_entry_unset_ctime(struct archive_entry *entry)
852 archive_entry_set_ctime(entry, 0, 0);
853 entry->ae_set &= ~AE_SET_CTIME;
857 archive_entry_set_dev(struct archive_entry *entry, dev_t d)
859 entry->stat_valid = 0;
860 entry->ae_stat.aest_dev_is_broken_down = 0;
861 entry->ae_stat.aest_dev = d;
865 archive_entry_set_devmajor(struct archive_entry *entry, dev_t m)
867 entry->stat_valid = 0;
868 entry->ae_stat.aest_dev_is_broken_down = 1;
869 entry->ae_stat.aest_devmajor = m;
873 archive_entry_set_devminor(struct archive_entry *entry, dev_t m)
875 entry->stat_valid = 0;
876 entry->ae_stat.aest_dev_is_broken_down = 1;
877 entry->ae_stat.aest_devminor = m;
880 /* Set symlink if symlink is already set, else set hardlink. */
882 archive_entry_set_link(struct archive_entry *entry, const char *target)
884 if (entry->ae_set & AE_SET_SYMLINK)
885 aes_set_mbs(&entry->ae_symlink, target);
887 aes_set_mbs(&entry->ae_hardlink, target);
890 /* Set symlink if symlink is already set, else set hardlink. */
892 archive_entry_copy_link(struct archive_entry *entry, const char *target)
894 if (entry->ae_set & AE_SET_SYMLINK)
895 aes_copy_mbs(&entry->ae_symlink, target);
897 aes_copy_mbs(&entry->ae_hardlink, target);
900 /* Set symlink if symlink is already set, else set hardlink. */
902 archive_entry_copy_link_w(struct archive_entry *entry, const wchar_t *target)
904 if (entry->ae_set & AE_SET_SYMLINK)
905 aes_copy_wcs(&entry->ae_symlink, target);
907 aes_copy_wcs(&entry->ae_hardlink, target);
911 archive_entry_update_link_utf8(struct archive_entry *entry, const char *target)
913 if (entry->ae_set & AE_SET_SYMLINK)
914 return (aes_update_utf8(&entry->ae_symlink, target));
916 return (aes_update_utf8(&entry->ae_hardlink, target));
920 archive_entry_set_mode(struct archive_entry *entry, mode_t m)
922 entry->stat_valid = 0;
923 entry->ae_stat.aest_mode = m;
927 archive_entry_set_mtime(struct archive_entry *entry, time_t m, long ns)
929 entry->stat_valid = 0;
930 entry->ae_set |= AE_SET_MTIME;
931 entry->ae_stat.aest_mtime = m;
932 entry->ae_stat.aest_mtime_nsec = ns;
936 archive_entry_unset_mtime(struct archive_entry *entry)
938 archive_entry_set_mtime(entry, 0, 0);
939 entry->ae_set &= ~AE_SET_MTIME;
943 archive_entry_set_nlink(struct archive_entry *entry, unsigned int nlink)
945 entry->stat_valid = 0;
946 entry->ae_stat.aest_nlink = nlink;
950 archive_entry_set_pathname(struct archive_entry *entry, const char *name)
952 aes_set_mbs(&entry->ae_pathname, name);
956 archive_entry_copy_pathname(struct archive_entry *entry, const char *name)
958 aes_copy_mbs(&entry->ae_pathname, name);
962 archive_entry_copy_pathname_w(struct archive_entry *entry, const wchar_t *name)
964 aes_copy_wcs(&entry->ae_pathname, name);
968 archive_entry_update_pathname_utf8(struct archive_entry *entry, const char *name)
970 return (aes_update_utf8(&entry->ae_pathname, name));
974 archive_entry_set_perm(struct archive_entry *entry, mode_t p)
976 entry->stat_valid = 0;
977 entry->ae_stat.aest_mode &= AE_IFMT;
978 entry->ae_stat.aest_mode |= ~AE_IFMT & p;
982 archive_entry_set_rdev(struct archive_entry *entry, dev_t m)
984 entry->stat_valid = 0;
985 entry->ae_stat.aest_rdev = m;
986 entry->ae_stat.aest_rdev_is_broken_down = 0;
990 archive_entry_set_rdevmajor(struct archive_entry *entry, dev_t m)
992 entry->stat_valid = 0;
993 entry->ae_stat.aest_rdev_is_broken_down = 1;
994 entry->ae_stat.aest_rdevmajor = m;
998 archive_entry_set_rdevminor(struct archive_entry *entry, dev_t m)
1000 entry->stat_valid = 0;
1001 entry->ae_stat.aest_rdev_is_broken_down = 1;
1002 entry->ae_stat.aest_rdevminor = m;
1006 archive_entry_set_size(struct archive_entry *entry, int64_t s)
1008 entry->stat_valid = 0;
1009 entry->ae_stat.aest_size = s;
1010 entry->ae_set |= AE_SET_SIZE;
1014 archive_entry_unset_size(struct archive_entry *entry)
1016 archive_entry_set_size(entry, 0);
1017 entry->ae_set &= ~AE_SET_SIZE;
1021 archive_entry_copy_sourcepath(struct archive_entry *entry, const char *path)
1023 aes_set_mbs(&entry->ae_sourcepath, path);
1027 archive_entry_set_symlink(struct archive_entry *entry, const char *linkname)
1029 aes_set_mbs(&entry->ae_symlink, linkname);
1030 if (linkname != NULL)
1031 entry->ae_set |= AE_SET_SYMLINK;
1033 entry->ae_set &= ~AE_SET_SYMLINK;
1037 archive_entry_copy_symlink(struct archive_entry *entry, const char *linkname)
1039 aes_copy_mbs(&entry->ae_symlink, linkname);
1040 if (linkname != NULL)
1041 entry->ae_set |= AE_SET_SYMLINK;
1043 entry->ae_set &= ~AE_SET_SYMLINK;
1047 archive_entry_copy_symlink_w(struct archive_entry *entry, const wchar_t *linkname)
1049 aes_copy_wcs(&entry->ae_symlink, linkname);
1050 if (linkname != NULL)
1051 entry->ae_set |= AE_SET_SYMLINK;
1053 entry->ae_set &= ~AE_SET_SYMLINK;
1057 archive_entry_set_uid(struct archive_entry *entry, uid_t u)
1059 entry->stat_valid = 0;
1060 entry->ae_stat.aest_uid = u;
1064 archive_entry_set_uname(struct archive_entry *entry, const char *name)
1066 aes_set_mbs(&entry->ae_uname, name);
1070 archive_entry_copy_uname(struct archive_entry *entry, const char *name)
1072 aes_copy_mbs(&entry->ae_uname, name);
1076 archive_entry_copy_uname_w(struct archive_entry *entry, const wchar_t *name)
1078 aes_copy_wcs(&entry->ae_uname, name);
1082 archive_entry_update_uname_utf8(struct archive_entry *entry, const char *name)
1084 return (aes_update_utf8(&entry->ae_uname, name));
1088 * ACL management. The following would, of course, be a lot simpler
1089 * if: 1) the last draft of POSIX.1e were a really thorough and
1090 * complete standard that addressed the needs of ACL archiving and 2)
1091 * everyone followed it faithfully. Alas, neither is true, so the
1092 * following is a lot more complex than might seem necessary to the
1097 archive_entry_acl_clear(struct archive_entry *entry)
1101 while (entry->acl_head != NULL) {
1102 ap = entry->acl_head->next;
1103 aes_clean(&entry->acl_head->name);
1104 free(entry->acl_head);
1105 entry->acl_head = ap;
1107 if (entry->acl_text_w != NULL) {
1108 free(entry->acl_text_w);
1109 entry->acl_text_w = NULL;
1111 entry->acl_p = NULL;
1112 entry->acl_state = 0; /* Not counting. */
1116 * Add a single ACL entry to the internal list of ACL data.
1119 archive_entry_acl_add_entry(struct archive_entry *entry,
1120 int type, int permset, int tag, int id, const char *name)
1124 if (acl_special(entry, type, permset, tag) == 0)
1126 ap = acl_new_entry(entry, type, permset, tag, id);
1131 if (name != NULL && *name != '\0')
1132 aes_copy_mbs(&ap->name, name);
1134 aes_clean(&ap->name);
1138 * As above, but with a wide-character name.
1141 archive_entry_acl_add_entry_w(struct archive_entry *entry,
1142 int type, int permset, int tag, int id, const wchar_t *name)
1144 archive_entry_acl_add_entry_w_len(entry, type, permset, tag, id, name, wcslen(name));
1148 archive_entry_acl_add_entry_w_len(struct archive_entry *entry,
1149 int type, int permset, int tag, int id, const wchar_t *name, size_t len)
1153 if (acl_special(entry, type, permset, tag) == 0)
1155 ap = acl_new_entry(entry, type, permset, tag, id);
1160 if (name != NULL && *name != L'\0' && len > 0)
1161 aes_copy_wcs_len(&ap->name, name, len);
1163 aes_clean(&ap->name);
1167 * If this ACL entry is part of the standard POSIX permissions set,
1168 * store the permissions in the stat structure and return zero.
1171 acl_special(struct archive_entry *entry, int type, int permset, int tag)
1173 if (type == ARCHIVE_ENTRY_ACL_TYPE_ACCESS) {
1175 case ARCHIVE_ENTRY_ACL_USER_OBJ:
1176 entry->ae_stat.aest_mode &= ~0700;
1177 entry->ae_stat.aest_mode |= (permset & 7) << 6;
1179 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
1180 entry->ae_stat.aest_mode &= ~0070;
1181 entry->ae_stat.aest_mode |= (permset & 7) << 3;
1183 case ARCHIVE_ENTRY_ACL_OTHER:
1184 entry->ae_stat.aest_mode &= ~0007;
1185 entry->ae_stat.aest_mode |= permset & 7;
1193 * Allocate and populate a new ACL entry with everything but the
1196 static struct ae_acl *
1197 acl_new_entry(struct archive_entry *entry,
1198 int type, int permset, int tag, int id)
1202 if (type != ARCHIVE_ENTRY_ACL_TYPE_ACCESS &&
1203 type != ARCHIVE_ENTRY_ACL_TYPE_DEFAULT)
1205 if (entry->acl_text_w != NULL) {
1206 free(entry->acl_text_w);
1207 entry->acl_text_w = NULL;
1210 /* XXX TODO: More sanity-checks on the arguments XXX */
1212 /* If there's a matching entry already in the list, overwrite it. */
1213 for (ap = entry->acl_head; ap != NULL; ap = ap->next) {
1214 if (ap->type == type && ap->tag == tag && ap->id == id) {
1215 ap->permset = permset;
1220 /* Add a new entry to the list. */
1221 ap = (struct ae_acl *)malloc(sizeof(*ap));
1224 memset(ap, 0, sizeof(*ap));
1225 ap->next = entry->acl_head;
1226 entry->acl_head = ap;
1230 ap->permset = permset;
1235 * Return a count of entries matching "want_type".
1238 archive_entry_acl_count(struct archive_entry *entry, int want_type)
1244 ap = entry->acl_head;
1245 while (ap != NULL) {
1246 if ((ap->type & want_type) != 0)
1251 if (count > 0 && ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0))
1257 * Prepare for reading entries from the ACL data. Returns a count
1258 * of entries matching "want_type", or zero if there are no
1259 * non-extended ACL entries of that type.
1262 archive_entry_acl_reset(struct archive_entry *entry, int want_type)
1266 count = archive_entry_acl_count(entry, want_type);
1269 * If the only entries are the three standard ones,
1270 * then don't return any ACL data. (In this case,
1271 * client can just use chmod(2) to set permissions.)
1273 if ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0)
1279 entry->acl_state = ARCHIVE_ENTRY_ACL_USER_OBJ;
1281 entry->acl_state = 0;
1282 entry->acl_p = entry->acl_head;
1287 * Return the next ACL entry in the list. Fake entries for the
1288 * standard permissions and include them in the returned list.
1292 archive_entry_acl_next(struct archive_entry *entry, int want_type, int *type,
1293 int *permset, int *tag, int *id, const char **name)
1299 * The acl_state is either zero (no entries available), -1
1300 * (reading from list), or an entry type (retrieve that type
1301 * from ae_stat.aest_mode).
1303 if (entry->acl_state == 0)
1304 return (ARCHIVE_WARN);
1306 /* The first three access entries are special. */
1307 if ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
1308 switch (entry->acl_state) {
1309 case ARCHIVE_ENTRY_ACL_USER_OBJ:
1310 *permset = (entry->ae_stat.aest_mode >> 6) & 7;
1311 *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
1312 *tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
1313 entry->acl_state = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
1314 return (ARCHIVE_OK);
1315 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
1316 *permset = (entry->ae_stat.aest_mode >> 3) & 7;
1317 *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
1318 *tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
1319 entry->acl_state = ARCHIVE_ENTRY_ACL_OTHER;
1320 return (ARCHIVE_OK);
1321 case ARCHIVE_ENTRY_ACL_OTHER:
1322 *permset = entry->ae_stat.aest_mode & 7;
1323 *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
1324 *tag = ARCHIVE_ENTRY_ACL_OTHER;
1325 entry->acl_state = -1;
1326 entry->acl_p = entry->acl_head;
1327 return (ARCHIVE_OK);
1333 while (entry->acl_p != NULL && (entry->acl_p->type & want_type) == 0)
1334 entry->acl_p = entry->acl_p->next;
1335 if (entry->acl_p == NULL) {
1336 entry->acl_state = 0;
1342 return (ARCHIVE_EOF); /* End of ACL entries. */
1344 *type = entry->acl_p->type;
1345 *permset = entry->acl_p->permset;
1346 *tag = entry->acl_p->tag;
1347 *id = entry->acl_p->id;
1348 *name = aes_get_mbs(&entry->acl_p->name);
1349 entry->acl_p = entry->acl_p->next;
1350 return (ARCHIVE_OK);
1354 * Generate a text version of the ACL. The flags parameter controls
1355 * the style of the generated ACL.
1358 archive_entry_acl_text_w(struct archive_entry *entry, int flags)
1362 const wchar_t *wname;
1363 const wchar_t *prefix;
1369 if (entry->acl_text_w != NULL) {
1370 free (entry->acl_text_w);
1371 entry->acl_text_w = NULL;
1377 ap = entry->acl_head;
1378 while (ap != NULL) {
1379 if ((ap->type & flags) != 0) {
1381 if ((flags & ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT) &&
1382 (ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT))
1383 length += 8; /* "default:" */
1384 length += 5; /* tag name */
1385 length += 1; /* colon */
1386 wname = aes_get_wcs(&ap->name);
1388 length += wcslen(wname);
1390 length += sizeof(uid_t) * 3 + 1;
1391 length ++; /* colon */
1392 length += 3; /* rwx */
1393 length += 1; /* colon */
1394 length += max(sizeof(uid_t), sizeof(gid_t)) * 3 + 1;
1395 length ++; /* newline */
1400 if (count > 0 && ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0)) {
1401 length += 10; /* "user::rwx\n" */
1402 length += 11; /* "group::rwx\n" */
1403 length += 11; /* "other::rwx\n" */
1409 /* Now, allocate the string and actually populate it. */
1410 wp = entry->acl_text_w = (wchar_t *)malloc(length * sizeof(wchar_t));
1412 __archive_errx(1, "No memory to generate the text version of the ACL");
1414 if ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
1415 append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_USER_OBJ, NULL,
1416 entry->ae_stat.aest_mode & 0700, -1);
1418 append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_GROUP_OBJ, NULL,
1419 entry->ae_stat.aest_mode & 0070, -1);
1421 append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_OTHER, NULL,
1422 entry->ae_stat.aest_mode & 0007, -1);
1425 ap = entry->acl_head;
1426 while (ap != NULL) {
1427 if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
1428 wname = aes_get_wcs(&ap->name);
1430 if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID)
1434 append_entry_w(&wp, NULL, ap->tag, wname,
1443 if ((flags & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) {
1444 if (flags & ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT)
1445 prefix = L"default:";
1448 ap = entry->acl_head;
1450 while (ap != NULL) {
1451 if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) {
1452 wname = aes_get_wcs(&ap->name);
1455 if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID)
1459 append_entry_w(&wp, prefix, ap->tag,
1460 wname, ap->permset, id);
1467 return (entry->acl_text_w);
1471 append_id_w(wchar_t **wp, int id)
1476 append_id_w(wp, id / 10);
1477 *(*wp)++ = L"0123456789"[id % 10];
1481 append_entry_w(wchar_t **wp, const wchar_t *prefix, int tag,
1482 const wchar_t *wname, int perm, int id)
1484 if (prefix != NULL) {
1485 wcscpy(*wp, prefix);
1489 case ARCHIVE_ENTRY_ACL_USER_OBJ:
1493 case ARCHIVE_ENTRY_ACL_USER:
1494 wcscpy(*wp, L"user");
1496 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
1500 case ARCHIVE_ENTRY_ACL_GROUP:
1501 wcscpy(*wp, L"group");
1503 case ARCHIVE_ENTRY_ACL_MASK:
1504 wcscpy(*wp, L"mask");
1508 case ARCHIVE_ENTRY_ACL_OTHER:
1509 wcscpy(*wp, L"other");
1516 if (wname != NULL) {
1519 } else if (tag == ARCHIVE_ENTRY_ACL_USER
1520 || tag == ARCHIVE_ENTRY_ACL_GROUP) {
1521 append_id_w(wp, id);
1525 *(*wp)++ = (perm & 0444) ? L'r' : L'-';
1526 *(*wp)++ = (perm & 0222) ? L'w' : L'-';
1527 *(*wp)++ = (perm & 0111) ? L'x' : L'-';
1530 append_id_w(wp, id);
1536 * Parse a textual ACL. This automatically recognizes and supports
1537 * extensions described above. The 'type' argument is used to
1538 * indicate the type that should be used for any entries not
1539 * explicitly marked as "default:".
1542 __archive_entry_acl_parse_w(struct archive_entry *entry,
1543 const wchar_t *text, int default_type)
1546 const wchar_t *start;
1551 int type, tag, permset, id;
1555 while (text != NULL && *text != L'\0') {
1557 * Parse the fields out of the next entry,
1558 * advance 'text' to start of next entry.
1562 const wchar_t *start, *end;
1563 next_field_w(&text, &start, &end, &sep);
1565 field[fields].start = start;
1566 field[fields].end = end;
1569 } while (sep == L':');
1572 return (ARCHIVE_WARN);
1574 /* Check for a numeric ID in field 1 or 3. */
1576 isint_w(field[1].start, field[1].end, &id);
1577 /* Field 3 is optional. */
1578 if (id == -1 && fields > 3)
1579 isint_w(field[3].start, field[3].end, &id);
1581 /* Parse the permissions from field 2. */
1584 while (p < field[2].end) {
1587 permset |= ARCHIVE_ENTRY_ACL_READ;
1590 permset |= ARCHIVE_ENTRY_ACL_WRITE;
1593 permset |= ARCHIVE_ENTRY_ACL_EXECUTE;
1598 return (ARCHIVE_WARN);
1603 * Solaris extension: "defaultuser::rwx" is the
1604 * default ACL corresponding to "user::rwx", etc.
1606 if (field[0].end-field[0].start > 7
1607 && wmemcmp(field[0].start, L"default", 7) == 0) {
1608 type = ARCHIVE_ENTRY_ACL_TYPE_DEFAULT;
1609 field[0].start += 7;
1611 type = default_type;
1613 if (prefix_w(field[0].start, field[0].end, L"user")) {
1614 if (id != -1 || field[1].start < field[1].end)
1615 tag = ARCHIVE_ENTRY_ACL_USER;
1617 tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
1618 } else if (prefix_w(field[0].start, field[0].end, L"group")) {
1619 if (id != -1 || field[1].start < field[1].end)
1620 tag = ARCHIVE_ENTRY_ACL_GROUP;
1622 tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
1623 } else if (prefix_w(field[0].start, field[0].end, L"other")) {
1624 if (id != -1 || field[1].start < field[1].end)
1625 return (ARCHIVE_WARN);
1626 tag = ARCHIVE_ENTRY_ACL_OTHER;
1627 } else if (prefix_w(field[0].start, field[0].end, L"mask")) {
1628 if (id != -1 || field[1].start < field[1].end)
1629 return (ARCHIVE_WARN);
1630 tag = ARCHIVE_ENTRY_ACL_MASK;
1632 return (ARCHIVE_WARN);
1634 /* Add entry to the internal list. */
1635 archive_entry_acl_add_entry_w_len(entry, type, permset,
1636 tag, id, field[1].start, field[1].end - field[1].start);
1638 return (ARCHIVE_OK);
1642 * extended attribute handling
1646 archive_entry_xattr_clear(struct archive_entry *entry)
1648 struct ae_xattr *xp;
1650 while (entry->xattr_head != NULL) {
1651 xp = entry->xattr_head->next;
1652 free(entry->xattr_head->name);
1653 free(entry->xattr_head->value);
1654 free(entry->xattr_head);
1655 entry->xattr_head = xp;
1658 entry->xattr_head = NULL;
1662 archive_entry_xattr_add_entry(struct archive_entry *entry,
1663 const char *name, const void *value, size_t size)
1665 struct ae_xattr *xp;
1667 for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
1670 if ((xp = (struct ae_xattr *)malloc(sizeof(struct ae_xattr))) == NULL)
1674 xp->name = strdup(name);
1675 if ((xp->value = malloc(size)) != NULL) {
1676 memcpy(xp->value, value, size);
1681 xp->next = entry->xattr_head;
1682 entry->xattr_head = xp;
1687 * returns number of the extended attribute entries
1690 archive_entry_xattr_count(struct archive_entry *entry)
1692 struct ae_xattr *xp;
1695 for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
1702 archive_entry_xattr_reset(struct archive_entry * entry)
1704 entry->xattr_p = entry->xattr_head;
1706 return archive_entry_xattr_count(entry);
1710 archive_entry_xattr_next(struct archive_entry * entry,
1711 const char **name, const void **value, size_t *size)
1713 if (entry->xattr_p) {
1714 *name = entry->xattr_p->name;
1715 *value = entry->xattr_p->value;
1716 *size = entry->xattr_p->size;
1718 entry->xattr_p = entry->xattr_p->next;
1720 return (ARCHIVE_OK);
1725 return (ARCHIVE_WARN);
1730 * end of xattr handling
1734 * Parse a string to a positive decimal integer. Returns true if
1735 * the string is non-empty and consists only of decimal digits,
1739 isint_w(const wchar_t *start, const wchar_t *end, int *result)
1744 while (start < end) {
1745 if (*start < '0' || *start > '9')
1747 if (n > (INT_MAX / 10))
1760 * Match "[:whitespace:]*(.*)[:whitespace:]*[:,\n]". *wp is updated
1761 * to point to just after the separator. *start points to the first
1762 * character of the matched text and *end just after the last
1763 * character of the matched identifier. In particular *end - *start
1764 * is the length of the field body, not including leading or trailing
1768 next_field_w(const wchar_t **wp, const wchar_t **start,
1769 const wchar_t **end, wchar_t *sep)
1771 /* Skip leading whitespace to find start of field. */
1772 while (**wp == L' ' || **wp == L'\t' || **wp == L'\n') {
1777 /* Scan for the separator. */
1778 while (**wp != L'\0' && **wp != L',' && **wp != L':' &&
1784 /* Trim trailing whitespace to locate end of field. */
1786 while (**end == L' ' || **end == L'\t' || **end == L'\n') {
1791 /* Adjust scanner location. */
1797 * Return true if the characters [start...end) are a prefix of 'test'.
1798 * This makes it easy to handle the obvious abbreviations: 'u' for 'user', etc.
1801 prefix_w(const wchar_t *start, const wchar_t *end, const wchar_t *test)
1806 if (*start++ != *test++)
1809 while (start < end && *start++ == *test++)
1820 * Following code is modified from UC Berkeley sources, and
1821 * is subject to the following copyright notice.
1825 * Copyright (c) 1993
1826 * The Regents of the University of California. All rights reserved.
1828 * Redistribution and use in source and binary forms, with or without
1829 * modification, are permitted provided that the following conditions
1831 * 1. Redistributions of source code must retain the above copyright
1832 * notice, this list of conditions and the following disclaimer.
1833 * 2. Redistributions in binary form must reproduce the above copyright
1834 * notice, this list of conditions and the following disclaimer in the
1835 * documentation and/or other materials provided with the distribution.
1836 * 4. Neither the name of the University nor the names of its contributors
1837 * may be used to endorse or promote products derived from this software
1838 * without specific prior written permission.
1840 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1841 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1842 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1843 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1844 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1845 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1846 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1847 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1848 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1849 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1853 static struct flag {
1855 const wchar_t *wname;
1857 unsigned long clear;
1859 /* Preferred (shorter) names per flag first, all prefixed by "no" */
1861 { "nosappnd", L"nosappnd", SF_APPEND, 0 },
1862 { "nosappend", L"nosappend", SF_APPEND, 0 },
1864 #ifdef EXT2_APPEND_FL /* 'a' */
1865 { "nosappnd", L"nosappnd", EXT2_APPEND_FL, 0 },
1866 { "nosappend", L"nosappend", EXT2_APPEND_FL, 0 },
1869 { "noarch", L"noarch", SF_ARCHIVED, 0 },
1870 { "noarchived", L"noarchived", SF_ARCHIVED, 0 },
1873 { "noschg", L"noschg", SF_IMMUTABLE, 0 },
1874 { "noschange", L"noschange", SF_IMMUTABLE, 0 },
1875 { "nosimmutable", L"nosimmutable", SF_IMMUTABLE, 0 },
1877 #ifdef EXT2_IMMUTABLE_FL /* 'i' */
1878 { "noschg", L"noschg", EXT2_IMMUTABLE_FL, 0 },
1879 { "noschange", L"noschange", EXT2_IMMUTABLE_FL, 0 },
1880 { "nosimmutable", L"nosimmutable", EXT2_IMMUTABLE_FL, 0 },
1883 { "nosunlnk", L"nosunlnk", SF_NOUNLINK, 0 },
1884 { "nosunlink", L"nosunlink", SF_NOUNLINK, 0 },
1887 { "nosnapshot", L"nosnapshot", SF_SNAPSHOT, 0 },
1890 { "nouappnd", L"nouappnd", UF_APPEND, 0 },
1891 { "nouappend", L"nouappend", UF_APPEND, 0 },
1894 { "nouchg", L"nouchg", UF_IMMUTABLE, 0 },
1895 { "nouchange", L"nouchange", UF_IMMUTABLE, 0 },
1896 { "nouimmutable", L"nouimmutable", UF_IMMUTABLE, 0 },
1899 { "nodump", L"nodump", 0, UF_NODUMP},
1901 #ifdef EXT2_NODUMP_FL /* 'd' */
1902 { "nodump", L"nodump", 0, EXT2_NODUMP_FL},
1905 { "noopaque", L"noopaque", UF_OPAQUE, 0 },
1908 { "nouunlnk", L"nouunlnk", UF_NOUNLINK, 0 },
1909 { "nouunlink", L"nouunlink", UF_NOUNLINK, 0 },
1911 #ifdef EXT2_COMPR_FL /* 'c' */
1912 { "nocompress", L"nocompress", EXT2_COMPR_FL, 0 },
1915 #ifdef EXT2_NOATIME_FL /* 'A' */
1916 { "noatime", L"noatime", 0, EXT2_NOATIME_FL},
1918 { NULL, NULL, 0, 0 }
1923 * Convert file flags to a comma-separated string. If no flags
1924 * are set, return the empty string.
1927 ae_fflagstostr(unsigned long bitset, unsigned long bitclear)
1935 bits = bitset | bitclear;
1937 for (flag = flags; flag->name != NULL; flag++)
1938 if (bits & (flag->set | flag->clear)) {
1939 length += strlen(flag->name) + 1;
1940 bits &= ~(flag->set | flag->clear);
1945 string = (char *)malloc(length);
1950 for (flag = flags; flag->name != NULL; flag++) {
1951 if (bitset & flag->set || bitclear & flag->clear) {
1952 sp = flag->name + 2;
1953 } else if (bitset & flag->clear || bitclear & flag->set) {
1957 bitset &= ~(flag->set | flag->clear);
1958 bitclear &= ~(flag->set | flag->clear);
1961 while ((*dp++ = *sp++) != '\0')
1972 * Take string of arguments and return file flags. This
1973 * version works a little differently than strtofflags(3).
1974 * In particular, it always tests every token, skipping any
1975 * unrecognized tokens. It returns a pointer to the first
1976 * unrecognized token, or NULL if every token was recognized.
1977 * This version is also const-correct and does not modify the
1981 ae_strtofflags(const char *s, unsigned long *setp, unsigned long *clrp)
1983 const char *start, *end;
1985 unsigned long set, clear;
1991 /* Find start of first token. */
1992 while (*start == '\t' || *start == ' ' || *start == ',')
1994 while (*start != '\0') {
1995 /* Locate end of token. */
1997 while (*end != '\0' && *end != '\t' &&
1998 *end != ' ' && *end != ',')
2000 for (flag = flags; flag->name != NULL; flag++) {
2001 if (memcmp(start, flag->name, end - start) == 0) {
2002 /* Matched "noXXXX", so reverse the sense. */
2006 } else if (memcmp(start, flag->name + 2, end - start)
2008 /* Matched "XXXX", so don't reverse. */
2010 clear |= flag->clear;
2014 /* Ignore unknown flag names. */
2015 if (flag->name == NULL && failed == NULL)
2018 /* Find start of next token. */
2020 while (*start == '\t' || *start == ' ' || *start == ',')
2030 /* Return location of first failure. */
2036 * Take string of arguments and return file flags. This
2037 * version works a little differently than strtofflags(3).
2038 * In particular, it always tests every token, skipping any
2039 * unrecognized tokens. It returns a pointer to the first
2040 * unrecognized token, or NULL if every token was recognized.
2041 * This version is also const-correct and does not modify the
2044 static const wchar_t *
2045 ae_wcstofflags(const wchar_t *s, unsigned long *setp, unsigned long *clrp)
2047 const wchar_t *start, *end;
2049 unsigned long set, clear;
2050 const wchar_t *failed;
2055 /* Find start of first token. */
2056 while (*start == L'\t' || *start == L' ' || *start == L',')
2058 while (*start != L'\0') {
2059 /* Locate end of token. */
2061 while (*end != L'\0' && *end != L'\t' &&
2062 *end != L' ' && *end != L',')
2064 for (flag = flags; flag->wname != NULL; flag++) {
2065 if (wmemcmp(start, flag->wname, end - start) == 0) {
2066 /* Matched "noXXXX", so reverse the sense. */
2070 } else if (wmemcmp(start, flag->wname + 2, end - start)
2072 /* Matched "XXXX", so don't reverse. */
2074 clear |= flag->clear;
2078 /* Ignore unknown flag names. */
2079 if (flag->wname == NULL && failed == NULL)
2082 /* Find start of next token. */
2084 while (*start == L'\t' || *start == L' ' || *start == L',')
2094 /* Return location of first failure. */
2102 main(int argc, char **argv)
2104 struct archive_entry *entry = archive_entry_new();
2105 unsigned long set, clear;
2106 const wchar_t *remainder;
2108 remainder = archive_entry_copy_fflags_text_w(entry, L"nosappnd dump archive,,,,,,,");
2109 archive_entry_fflags(entry, &set, &clear);
2111 wprintf(L"set=0x%lX clear=0x%lX remainder='%ls'\n", set, clear, remainder);
2113 wprintf(L"new flags='%s'\n", archive_entry_fflags_text(entry));