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 void aes_set_mbs(struct aes *, const char *mbs);
95 static void aes_copy_mbs(struct aes *, const char *mbs);
96 /* static void aes_set_wcs(struct aes *, const wchar_t *wcs); */
97 static void aes_copy_wcs(struct aes *, const wchar_t *wcs);
98 static void 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 void append_entry_w(wchar_t **wp, const wchar_t *prefix, int tag,
104 const wchar_t *wname, int perm, int id);
105 static void append_id_w(wchar_t **wp, int id);
107 static int acl_special(struct archive_entry *entry,
108 int type, int permset, int tag);
109 static struct ae_acl *acl_new_entry(struct archive_entry *entry,
110 int type, int permset, int tag, int id);
111 static int isint_w(const wchar_t *start, const wchar_t *end, int *result);
112 static void next_field_w(const wchar_t **wp, const wchar_t **start,
113 const wchar_t **end, wchar_t *sep);
114 static int prefix_w(const wchar_t *start, const wchar_t *end,
115 const wchar_t *test);
117 archive_entry_acl_add_entry_w_len(struct archive_entry *entry, int type,
118 int permset, int tag, int id, const wchar_t *name, size_t);
122 static wchar_t * wcscpy(wchar_t *s1, const wchar_t *s2)
125 while ((*s1 = *s2) != L'\0')
131 static size_t wcslen(const wchar_t *s)
133 const wchar_t *p = s;
140 /* Good enough for simple equality testing, but not for sorting. */
141 #define wmemcmp(a,b,i) memcmp((a), (b), (i) * sizeof(wchar_t))
144 #define wmemcpy(a,b,i) (wchar_t *)memcpy((a), (b), (i) * sizeof(wchar_t))
149 aes_clean(struct aes *aes)
151 if (aes->aes_mbs_alloc) {
152 free(aes->aes_mbs_alloc);
153 aes->aes_mbs_alloc = NULL;
155 if (aes->aes_wcs_alloc) {
156 free(aes->aes_wcs_alloc);
157 aes->aes_wcs_alloc = NULL;
159 memset(aes, 0, sizeof(*aes));
163 aes_copy(struct aes *dest, struct aes *src)
166 if (src->aes_mbs != NULL) {
167 dest->aes_mbs_alloc = strdup(src->aes_mbs);
168 dest->aes_mbs = dest->aes_mbs_alloc;
169 if (dest->aes_mbs == NULL)
170 __archive_errx(1, "No memory for aes_copy()");
173 if (src->aes_wcs != NULL) {
174 dest->aes_wcs_alloc = (wchar_t *)malloc((wcslen(src->aes_wcs) + 1)
176 dest->aes_wcs = dest->aes_wcs_alloc;
177 if (dest->aes_wcs == NULL)
178 __archive_errx(1, "No memory for aes_copy()");
179 wcscpy(dest->aes_wcs_alloc, src->aes_wcs);
184 aes_get_mbs(struct aes *aes)
186 if (aes->aes_mbs == NULL && aes->aes_wcs == NULL)
188 if (aes->aes_mbs == NULL && aes->aes_wcs != NULL) {
190 * XXX Need to estimate the number of byte in the
191 * multi-byte form. Assume that, on average, wcs
192 * chars encode to no more than 3 bytes. There must
193 * be a better way... XXX
195 size_t mbs_length = wcslen(aes->aes_wcs) * 3 + 64;
197 aes->aes_mbs_alloc = (char *)malloc(mbs_length);
198 aes->aes_mbs = aes->aes_mbs_alloc;
199 if (aes->aes_mbs == NULL)
200 __archive_errx(1, "No memory for aes_get_mbs()");
201 wcstombs(aes->aes_mbs_alloc, aes->aes_wcs, mbs_length - 1);
202 aes->aes_mbs_alloc[mbs_length - 1] = 0;
204 return (aes->aes_mbs);
207 static const wchar_t *
208 aes_get_wcs(struct aes *aes)
212 if (aes->aes_wcs == NULL && aes->aes_mbs == NULL)
214 if (aes->aes_wcs == NULL && aes->aes_mbs != NULL) {
216 * No single byte will be more than one wide character,
217 * so this length estimate will always be big enough.
219 size_t wcs_length = strlen(aes->aes_mbs);
222 = (wchar_t *)malloc((wcs_length + 1) * sizeof(wchar_t));
223 aes->aes_wcs = aes->aes_wcs_alloc;
224 if (aes->aes_wcs == NULL)
225 __archive_errx(1, "No memory for aes_get_wcs()");
226 r = mbstowcs(aes->aes_wcs_alloc, aes->aes_mbs, wcs_length);
227 aes->aes_wcs_alloc[wcs_length] = 0;
229 /* Conversion failed, don't lie to our clients. */
230 free(aes->aes_wcs_alloc);
231 aes->aes_wcs = aes->aes_wcs_alloc = NULL;
234 return (aes->aes_wcs);
238 aes_set_mbs(struct aes *aes, const char *mbs)
240 if (aes->aes_mbs_alloc) {
241 free(aes->aes_mbs_alloc);
242 aes->aes_mbs_alloc = NULL;
244 if (aes->aes_wcs_alloc) {
245 free(aes->aes_wcs_alloc);
246 aes->aes_wcs_alloc = NULL;
253 aes_copy_mbs(struct aes *aes, const char *mbs)
255 if (aes->aes_mbs_alloc) {
256 free(aes->aes_mbs_alloc);
257 aes->aes_mbs_alloc = NULL;
259 if (aes->aes_wcs_alloc) {
260 free(aes->aes_wcs_alloc);
261 aes->aes_wcs_alloc = NULL;
263 aes->aes_mbs_alloc = (char *)malloc((strlen(mbs) + 1) * sizeof(char));
264 if (aes->aes_mbs_alloc == NULL)
265 __archive_errx(1, "No memory for aes_copy_mbs()");
266 strcpy(aes->aes_mbs_alloc, mbs);
267 aes->aes_mbs = aes->aes_mbs_alloc;
273 aes_set_wcs(struct aes *aes, const wchar_t *wcs)
275 if (aes->aes_mbs_alloc) {
276 free(aes->aes_mbs_alloc);
277 aes->aes_mbs_alloc = NULL;
279 if (aes->aes_wcs_alloc) {
280 free(aes->aes_wcs_alloc);
281 aes->aes_wcs_alloc = NULL;
289 aes_copy_wcs(struct aes *aes, const wchar_t *wcs)
291 aes_copy_wcs_len(aes, wcs, wcslen(wcs));
295 aes_copy_wcs_len(struct aes *aes, const wchar_t *wcs, size_t len)
297 if (aes->aes_mbs_alloc) {
298 free(aes->aes_mbs_alloc);
299 aes->aes_mbs_alloc = NULL;
301 if (aes->aes_wcs_alloc) {
302 free(aes->aes_wcs_alloc);
303 aes->aes_wcs_alloc = NULL;
306 aes->aes_wcs_alloc = (wchar_t *)malloc((len + 1) * sizeof(wchar_t));
307 if (aes->aes_wcs_alloc == NULL)
308 __archive_errx(1, "No memory for aes_copy_wcs()");
309 wmemcpy(aes->aes_wcs_alloc, wcs, len);
310 aes->aes_wcs_alloc[len] = L'\0';
311 aes->aes_wcs = aes->aes_wcs_alloc;
314 struct archive_entry *
315 archive_entry_clear(struct archive_entry *entry)
319 aes_clean(&entry->ae_fflags_text);
320 aes_clean(&entry->ae_gname);
321 aes_clean(&entry->ae_hardlink);
322 aes_clean(&entry->ae_pathname);
323 aes_clean(&entry->ae_symlink);
324 aes_clean(&entry->ae_uname);
325 archive_entry_acl_clear(entry);
326 archive_entry_xattr_clear(entry);
328 memset(entry, 0, sizeof(*entry));
332 struct archive_entry *
333 archive_entry_clone(struct archive_entry *entry)
335 struct archive_entry *entry2;
336 struct ae_acl *ap, *ap2;
339 /* Allocate new structure and copy over all of the fields. */
340 entry2 = (struct archive_entry *)malloc(sizeof(*entry2));
343 memset(entry2, 0, sizeof(*entry2));
344 entry2->ae_stat = entry->ae_stat;
345 entry2->ae_fflags_set = entry->ae_fflags_set;
346 entry2->ae_fflags_clear = entry->ae_fflags_clear;
348 aes_copy(&entry2->ae_fflags_text, &entry->ae_fflags_text);
349 aes_copy(&entry2->ae_gname, &entry->ae_gname);
350 aes_copy(&entry2->ae_hardlink, &entry->ae_hardlink);
351 aes_copy(&entry2->ae_pathname, &entry->ae_pathname);
352 aes_copy(&entry2->ae_symlink, &entry->ae_symlink);
353 aes_copy(&entry2->ae_uname, &entry->ae_uname);
355 /* Copy ACL data over. */
356 ap = entry->acl_head;
358 ap2 = acl_new_entry(entry2,
359 ap->type, ap->permset, ap->tag, ap->id);
361 aes_copy(&ap2->name, &ap->name);
365 /* Copy xattr data over. */
366 xp = entry->xattr_head;
368 archive_entry_xattr_add_entry(entry2,
369 xp->name, xp->value, xp->size);
377 archive_entry_free(struct archive_entry *entry)
379 archive_entry_clear(entry);
383 struct archive_entry *
384 archive_entry_new(void)
386 struct archive_entry *entry;
388 entry = (struct archive_entry *)malloc(sizeof(*entry));
391 memset(entry, 0, sizeof(*entry));
396 * Functions for reading fields from an archive_entry.
400 archive_entry_atime(struct archive_entry *entry)
402 return (entry->ae_stat.aest_atime);
406 archive_entry_atime_nsec(struct archive_entry *entry)
408 return (entry->ae_stat.aest_atime_nsec);
412 archive_entry_ctime(struct archive_entry *entry)
414 return (entry->ae_stat.aest_ctime);
418 archive_entry_ctime_nsec(struct archive_entry *entry)
420 return (entry->ae_stat.aest_ctime_nsec);
424 archive_entry_dev(struct archive_entry *entry)
426 if (entry->ae_stat.aest_dev_is_broken_down)
427 return ae_makedev(entry->ae_stat.aest_devmajor,
428 entry->ae_stat.aest_devminor);
430 return (entry->ae_stat.aest_dev);
434 archive_entry_devmajor(struct archive_entry *entry)
436 if (entry->ae_stat.aest_dev_is_broken_down)
437 return (entry->ae_stat.aest_devmajor);
439 return major(entry->ae_stat.aest_dev);
443 archive_entry_devminor(struct archive_entry *entry)
445 if (entry->ae_stat.aest_dev_is_broken_down)
446 return (entry->ae_stat.aest_devminor);
448 return minor(entry->ae_stat.aest_dev);
452 archive_entry_filetype(struct archive_entry *entry)
454 return (AE_IFMT & entry->ae_stat.aest_mode);
458 archive_entry_fflags(struct archive_entry *entry,
459 unsigned long *set, unsigned long *clear)
461 *set = entry->ae_fflags_set;
462 *clear = entry->ae_fflags_clear;
466 * Note: if text was provided, this just returns that text. If you
467 * really need the text to be rebuilt in a canonical form, set the
468 * text, ask for the bitmaps, then set the bitmaps. (Setting the
469 * bitmaps clears any stored text.) This design is deliberate: if
470 * we're editing archives, we don't want to discard flags just because
471 * they aren't supported on the current system. The bitmap<->text
472 * conversions are platform-specific (see below).
475 archive_entry_fflags_text(struct archive_entry *entry)
480 f = aes_get_mbs(&entry->ae_fflags_text);
484 if (entry->ae_fflags_set == 0 && entry->ae_fflags_clear == 0)
487 p = ae_fflagstostr(entry->ae_fflags_set, entry->ae_fflags_clear);
491 aes_copy_mbs(&entry->ae_fflags_text, p);
493 f = aes_get_mbs(&entry->ae_fflags_text);
498 archive_entry_gid(struct archive_entry *entry)
500 return (entry->ae_stat.aest_gid);
504 archive_entry_gname(struct archive_entry *entry)
506 return (aes_get_mbs(&entry->ae_gname));
510 archive_entry_gname_w(struct archive_entry *entry)
512 return (aes_get_wcs(&entry->ae_gname));
516 archive_entry_hardlink(struct archive_entry *entry)
518 return (aes_get_mbs(&entry->ae_hardlink));
522 archive_entry_hardlink_w(struct archive_entry *entry)
524 return (aes_get_wcs(&entry->ae_hardlink));
528 archive_entry_ino(struct archive_entry *entry)
530 return (entry->ae_stat.aest_ino);
534 archive_entry_mode(struct archive_entry *entry)
536 return (entry->ae_stat.aest_mode);
540 archive_entry_mtime(struct archive_entry *entry)
542 return (entry->ae_stat.aest_mtime);
546 archive_entry_mtime_nsec(struct archive_entry *entry)
548 return (entry->ae_stat.aest_mtime_nsec);
552 archive_entry_nlink(struct archive_entry *entry)
554 return (entry->ae_stat.aest_nlink);
558 archive_entry_pathname(struct archive_entry *entry)
560 return (aes_get_mbs(&entry->ae_pathname));
564 archive_entry_pathname_w(struct archive_entry *entry)
566 return (aes_get_wcs(&entry->ae_pathname));
570 archive_entry_rdev(struct archive_entry *entry)
572 if (entry->ae_stat.aest_rdev_is_broken_down)
573 return ae_makedev(entry->ae_stat.aest_rdevmajor,
574 entry->ae_stat.aest_rdevminor);
576 return (entry->ae_stat.aest_rdev);
580 archive_entry_rdevmajor(struct archive_entry *entry)
582 if (entry->ae_stat.aest_rdev_is_broken_down)
583 return (entry->ae_stat.aest_rdevmajor);
585 return major(entry->ae_stat.aest_rdev);
589 archive_entry_rdevminor(struct archive_entry *entry)
591 if (entry->ae_stat.aest_rdev_is_broken_down)
592 return (entry->ae_stat.aest_rdevminor);
594 return minor(entry->ae_stat.aest_rdev);
598 archive_entry_size(struct archive_entry *entry)
600 return (entry->ae_stat.aest_size);
604 archive_entry_symlink(struct archive_entry *entry)
606 return (aes_get_mbs(&entry->ae_symlink));
610 archive_entry_symlink_w(struct archive_entry *entry)
612 return (aes_get_wcs(&entry->ae_symlink));
616 archive_entry_uid(struct archive_entry *entry)
618 return (entry->ae_stat.aest_uid);
622 archive_entry_uname(struct archive_entry *entry)
624 return (aes_get_mbs(&entry->ae_uname));
628 archive_entry_uname_w(struct archive_entry *entry)
630 return (aes_get_wcs(&entry->ae_uname));
634 * Functions to set archive_entry properties.
638 archive_entry_set_filetype(struct archive_entry *entry, unsigned int type)
640 entry->stat_valid = 0;
641 entry->ae_stat.aest_mode &= ~AE_IFMT;
642 entry->ae_stat.aest_mode |= AE_IFMT & type;
646 archive_entry_set_fflags(struct archive_entry *entry,
647 unsigned long set, unsigned long clear)
649 aes_clean(&entry->ae_fflags_text);
650 entry->ae_fflags_set = set;
651 entry->ae_fflags_clear = clear;
655 archive_entry_copy_fflags_text_w(struct archive_entry *entry,
656 const wchar_t *flags)
658 aes_copy_wcs(&entry->ae_fflags_text, flags);
659 return (ae_wcstofflags(flags,
660 &entry->ae_fflags_set, &entry->ae_fflags_clear));
664 archive_entry_set_gid(struct archive_entry *entry, gid_t g)
666 entry->stat_valid = 0;
667 entry->ae_stat.aest_gid = g;
671 archive_entry_set_gname(struct archive_entry *entry, const char *name)
673 aes_set_mbs(&entry->ae_gname, name);
677 archive_entry_copy_gname(struct archive_entry *entry, const char *name)
679 aes_copy_mbs(&entry->ae_gname, name);
683 archive_entry_copy_gname_w(struct archive_entry *entry, const wchar_t *name)
685 aes_copy_wcs(&entry->ae_gname, name);
689 archive_entry_set_ino(struct archive_entry *entry, unsigned long ino)
691 entry->stat_valid = 0;
692 entry->ae_stat.aest_ino = ino;
696 archive_entry_set_hardlink(struct archive_entry *entry, const char *target)
698 aes_set_mbs(&entry->ae_hardlink, target);
702 archive_entry_copy_hardlink(struct archive_entry *entry, const char *target)
704 aes_copy_mbs(&entry->ae_hardlink, target);
708 archive_entry_copy_hardlink_w(struct archive_entry *entry, const wchar_t *target)
710 aes_copy_wcs(&entry->ae_hardlink, target);
714 archive_entry_set_atime(struct archive_entry *entry, time_t t, long ns)
716 entry->stat_valid = 0;
717 entry->ae_stat.aest_atime = t;
718 entry->ae_stat.aest_atime_nsec = ns;
722 archive_entry_set_ctime(struct archive_entry *entry, time_t t, long ns)
724 entry->stat_valid = 0;
725 entry->ae_stat.aest_ctime = t;
726 entry->ae_stat.aest_ctime_nsec = ns;
730 archive_entry_set_dev(struct archive_entry *entry, dev_t d)
732 entry->stat_valid = 0;
733 entry->ae_stat.aest_dev_is_broken_down = 0;
734 entry->ae_stat.aest_dev = d;
738 archive_entry_set_devmajor(struct archive_entry *entry, dev_t m)
740 entry->stat_valid = 0;
741 entry->ae_stat.aest_dev_is_broken_down = 1;
742 entry->ae_stat.aest_devmajor = m;
746 archive_entry_set_devminor(struct archive_entry *entry, dev_t m)
748 entry->stat_valid = 0;
749 entry->ae_stat.aest_dev_is_broken_down = 1;
750 entry->ae_stat.aest_devminor = m;
753 /* Set symlink if symlink is already set, else set hardlink. */
755 archive_entry_set_link(struct archive_entry *entry, const char *target)
757 if (entry->ae_symlink.aes_mbs != NULL ||
758 entry->ae_symlink.aes_wcs != NULL)
759 aes_set_mbs(&entry->ae_symlink, target);
761 aes_set_mbs(&entry->ae_hardlink, target);
764 /* Set symlink if symlink is already set, else set hardlink. */
766 archive_entry_copy_link(struct archive_entry *entry, const char *target)
768 if (entry->ae_symlink.aes_mbs != NULL ||
769 entry->ae_symlink.aes_wcs != NULL)
770 aes_copy_mbs(&entry->ae_symlink, target);
772 aes_copy_mbs(&entry->ae_hardlink, target);
775 /* Set symlink if symlink is already set, else set hardlink. */
777 archive_entry_copy_link_w(struct archive_entry *entry, const wchar_t *target)
779 if (entry->ae_symlink.aes_mbs != NULL ||
780 entry->ae_symlink.aes_wcs != NULL)
781 aes_copy_wcs(&entry->ae_symlink, target);
783 aes_copy_wcs(&entry->ae_hardlink, target);
787 archive_entry_set_mode(struct archive_entry *entry, mode_t m)
789 entry->stat_valid = 0;
790 entry->ae_stat.aest_mode = m;
794 archive_entry_set_mtime(struct archive_entry *entry, time_t m, long ns)
796 entry->stat_valid = 0;
797 entry->ae_stat.aest_mtime = m;
798 entry->ae_stat.aest_mtime_nsec = ns;
802 archive_entry_set_nlink(struct archive_entry *entry, unsigned int nlink)
804 entry->stat_valid = 0;
805 entry->ae_stat.aest_nlink = nlink;
809 archive_entry_set_pathname(struct archive_entry *entry, const char *name)
811 aes_set_mbs(&entry->ae_pathname, name);
815 archive_entry_copy_pathname(struct archive_entry *entry, const char *name)
817 aes_copy_mbs(&entry->ae_pathname, name);
821 archive_entry_copy_pathname_w(struct archive_entry *entry, const wchar_t *name)
823 aes_copy_wcs(&entry->ae_pathname, name);
827 archive_entry_set_perm(struct archive_entry *entry, mode_t p)
829 entry->stat_valid = 0;
830 entry->ae_stat.aest_mode &= AE_IFMT;
831 entry->ae_stat.aest_mode |= ~AE_IFMT & p;
835 archive_entry_set_rdev(struct archive_entry *entry, dev_t m)
837 entry->stat_valid = 0;
838 entry->ae_stat.aest_rdev = m;
839 entry->ae_stat.aest_rdev_is_broken_down = 0;
843 archive_entry_set_rdevmajor(struct archive_entry *entry, dev_t m)
845 entry->stat_valid = 0;
846 entry->ae_stat.aest_rdev_is_broken_down = 1;
847 entry->ae_stat.aest_rdevmajor = m;
851 archive_entry_set_rdevminor(struct archive_entry *entry, dev_t m)
853 entry->stat_valid = 0;
854 entry->ae_stat.aest_rdev_is_broken_down = 1;
855 entry->ae_stat.aest_rdevminor = m;
859 archive_entry_set_size(struct archive_entry *entry, int64_t s)
861 entry->stat_valid = 0;
862 entry->ae_stat.aest_size = s;
866 archive_entry_set_symlink(struct archive_entry *entry, const char *linkname)
868 aes_set_mbs(&entry->ae_symlink, linkname);
872 archive_entry_copy_symlink(struct archive_entry *entry, const char *linkname)
874 aes_copy_mbs(&entry->ae_symlink, linkname);
878 archive_entry_copy_symlink_w(struct archive_entry *entry, const wchar_t *linkname)
880 aes_copy_wcs(&entry->ae_symlink, linkname);
884 archive_entry_set_uid(struct archive_entry *entry, uid_t u)
886 entry->stat_valid = 0;
887 entry->ae_stat.aest_uid = u;
891 archive_entry_set_uname(struct archive_entry *entry, const char *name)
893 aes_set_mbs(&entry->ae_uname, name);
897 archive_entry_copy_uname(struct archive_entry *entry, const char *name)
899 aes_copy_mbs(&entry->ae_uname, name);
903 archive_entry_copy_uname_w(struct archive_entry *entry, const wchar_t *name)
905 aes_copy_wcs(&entry->ae_uname, name);
909 * ACL management. The following would, of course, be a lot simpler
910 * if: 1) the last draft of POSIX.1e were a really thorough and
911 * complete standard that addressed the needs of ACL archiving and 2)
912 * everyone followed it faithfully. Alas, neither is true, so the
913 * following is a lot more complex than might seem necessary to the
918 archive_entry_acl_clear(struct archive_entry *entry)
922 while (entry->acl_head != NULL) {
923 ap = entry->acl_head->next;
924 aes_clean(&entry->acl_head->name);
925 free(entry->acl_head);
926 entry->acl_head = ap;
928 if (entry->acl_text_w != NULL) {
929 free(entry->acl_text_w);
930 entry->acl_text_w = NULL;
933 entry->acl_state = 0; /* Not counting. */
937 * Add a single ACL entry to the internal list of ACL data.
940 archive_entry_acl_add_entry(struct archive_entry *entry,
941 int type, int permset, int tag, int id, const char *name)
945 if (acl_special(entry, type, permset, tag) == 0)
947 ap = acl_new_entry(entry, type, permset, tag, id);
952 if (name != NULL && *name != '\0')
953 aes_copy_mbs(&ap->name, name);
955 aes_clean(&ap->name);
959 * As above, but with a wide-character name.
962 archive_entry_acl_add_entry_w(struct archive_entry *entry,
963 int type, int permset, int tag, int id, const wchar_t *name)
965 archive_entry_acl_add_entry_w_len(entry, type, permset, tag, id, name, wcslen(name));
969 archive_entry_acl_add_entry_w_len(struct archive_entry *entry,
970 int type, int permset, int tag, int id, const wchar_t *name, size_t len)
974 if (acl_special(entry, type, permset, tag) == 0)
976 ap = acl_new_entry(entry, type, permset, tag, id);
981 if (name != NULL && *name != L'\0' && len > 0)
982 aes_copy_wcs_len(&ap->name, name, len);
984 aes_clean(&ap->name);
988 * If this ACL entry is part of the standard POSIX permissions set,
989 * store the permissions in the stat structure and return zero.
992 acl_special(struct archive_entry *entry, int type, int permset, int tag)
994 if (type == ARCHIVE_ENTRY_ACL_TYPE_ACCESS) {
996 case ARCHIVE_ENTRY_ACL_USER_OBJ:
997 entry->ae_stat.aest_mode &= ~0700;
998 entry->ae_stat.aest_mode |= (permset & 7) << 6;
1000 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
1001 entry->ae_stat.aest_mode &= ~0070;
1002 entry->ae_stat.aest_mode |= (permset & 7) << 3;
1004 case ARCHIVE_ENTRY_ACL_OTHER:
1005 entry->ae_stat.aest_mode &= ~0007;
1006 entry->ae_stat.aest_mode |= permset & 7;
1014 * Allocate and populate a new ACL entry with everything but the
1017 static struct ae_acl *
1018 acl_new_entry(struct archive_entry *entry,
1019 int type, int permset, int tag, int id)
1023 if (type != ARCHIVE_ENTRY_ACL_TYPE_ACCESS &&
1024 type != ARCHIVE_ENTRY_ACL_TYPE_DEFAULT)
1026 if (entry->acl_text_w != NULL) {
1027 free(entry->acl_text_w);
1028 entry->acl_text_w = NULL;
1031 /* XXX TODO: More sanity-checks on the arguments XXX */
1033 /* If there's a matching entry already in the list, overwrite it. */
1034 for (ap = entry->acl_head; ap != NULL; ap = ap->next) {
1035 if (ap->type == type && ap->tag == tag && ap->id == id) {
1036 ap->permset = permset;
1041 /* Add a new entry to the list. */
1042 ap = (struct ae_acl *)malloc(sizeof(*ap));
1045 memset(ap, 0, sizeof(*ap));
1046 ap->next = entry->acl_head;
1047 entry->acl_head = ap;
1051 ap->permset = permset;
1056 * Return a count of entries matching "want_type".
1059 archive_entry_acl_count(struct archive_entry *entry, int want_type)
1065 ap = entry->acl_head;
1066 while (ap != NULL) {
1067 if ((ap->type & want_type) != 0)
1072 if (count > 0 && ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0))
1078 * Prepare for reading entries from the ACL data. Returns a count
1079 * of entries matching "want_type", or zero if there are no
1080 * non-extended ACL entries of that type.
1083 archive_entry_acl_reset(struct archive_entry *entry, int want_type)
1087 count = archive_entry_acl_count(entry, want_type);
1090 * If the only entries are the three standard ones,
1091 * then don't return any ACL data. (In this case,
1092 * client can just use chmod(2) to set permissions.)
1094 if ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0)
1100 entry->acl_state = ARCHIVE_ENTRY_ACL_USER_OBJ;
1102 entry->acl_state = 0;
1103 entry->acl_p = entry->acl_head;
1108 * Return the next ACL entry in the list. Fake entries for the
1109 * standard permissions and include them in the returned list.
1113 archive_entry_acl_next(struct archive_entry *entry, int want_type, int *type,
1114 int *permset, int *tag, int *id, const char **name)
1120 * The acl_state is either zero (no entries available), -1
1121 * (reading from list), or an entry type (retrieve that type
1122 * from ae_stat.aest_mode).
1124 if (entry->acl_state == 0)
1125 return (ARCHIVE_WARN);
1127 /* The first three access entries are special. */
1128 if ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
1129 switch (entry->acl_state) {
1130 case ARCHIVE_ENTRY_ACL_USER_OBJ:
1131 *permset = (entry->ae_stat.aest_mode >> 6) & 7;
1132 *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
1133 *tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
1134 entry->acl_state = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
1135 return (ARCHIVE_OK);
1136 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
1137 *permset = (entry->ae_stat.aest_mode >> 3) & 7;
1138 *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
1139 *tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
1140 entry->acl_state = ARCHIVE_ENTRY_ACL_OTHER;
1141 return (ARCHIVE_OK);
1142 case ARCHIVE_ENTRY_ACL_OTHER:
1143 *permset = entry->ae_stat.aest_mode & 7;
1144 *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
1145 *tag = ARCHIVE_ENTRY_ACL_OTHER;
1146 entry->acl_state = -1;
1147 entry->acl_p = entry->acl_head;
1148 return (ARCHIVE_OK);
1154 while (entry->acl_p != NULL && (entry->acl_p->type & want_type) == 0)
1155 entry->acl_p = entry->acl_p->next;
1156 if (entry->acl_p == NULL) {
1157 entry->acl_state = 0;
1163 return (ARCHIVE_EOF); /* End of ACL entries. */
1165 *type = entry->acl_p->type;
1166 *permset = entry->acl_p->permset;
1167 *tag = entry->acl_p->tag;
1168 *id = entry->acl_p->id;
1169 *name = aes_get_mbs(&entry->acl_p->name);
1170 entry->acl_p = entry->acl_p->next;
1171 return (ARCHIVE_OK);
1175 * Generate a text version of the ACL. The flags parameter controls
1176 * the style of the generated ACL.
1179 archive_entry_acl_text_w(struct archive_entry *entry, int flags)
1183 const wchar_t *wname;
1184 const wchar_t *prefix;
1190 if (entry->acl_text_w != NULL) {
1191 free (entry->acl_text_w);
1192 entry->acl_text_w = NULL;
1198 ap = entry->acl_head;
1199 while (ap != NULL) {
1200 if ((ap->type & flags) != 0) {
1202 if ((flags & ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT) &&
1203 (ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT))
1204 length += 8; /* "default:" */
1205 length += 5; /* tag name */
1206 length += 1; /* colon */
1207 wname = aes_get_wcs(&ap->name);
1209 length += wcslen(wname);
1211 length += sizeof(uid_t) * 3 + 1;
1212 length ++; /* colon */
1213 length += 3; /* rwx */
1214 length += 1; /* colon */
1215 length += max(sizeof(uid_t), sizeof(gid_t)) * 3 + 1;
1216 length ++; /* newline */
1221 if (count > 0 && ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0)) {
1222 length += 10; /* "user::rwx\n" */
1223 length += 11; /* "group::rwx\n" */
1224 length += 11; /* "other::rwx\n" */
1230 /* Now, allocate the string and actually populate it. */
1231 wp = entry->acl_text_w = (wchar_t *)malloc(length * sizeof(wchar_t));
1233 __archive_errx(1, "No memory to generate the text version of the ACL");
1235 if ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
1236 append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_USER_OBJ, NULL,
1237 entry->ae_stat.aest_mode & 0700, -1);
1239 append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_GROUP_OBJ, NULL,
1240 entry->ae_stat.aest_mode & 0070, -1);
1242 append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_OTHER, NULL,
1243 entry->ae_stat.aest_mode & 0007, -1);
1246 ap = entry->acl_head;
1247 while (ap != NULL) {
1248 if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
1249 wname = aes_get_wcs(&ap->name);
1251 if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID)
1255 append_entry_w(&wp, NULL, ap->tag, wname,
1264 if ((flags & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) {
1265 if (flags & ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT)
1266 prefix = L"default:";
1269 ap = entry->acl_head;
1271 while (ap != NULL) {
1272 if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) {
1273 wname = aes_get_wcs(&ap->name);
1276 if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID)
1280 append_entry_w(&wp, prefix, ap->tag,
1281 wname, ap->permset, id);
1288 return (entry->acl_text_w);
1292 append_id_w(wchar_t **wp, int id)
1297 append_id_w(wp, id / 10);
1298 *(*wp)++ = L"0123456789"[id % 10];
1302 append_entry_w(wchar_t **wp, const wchar_t *prefix, int tag,
1303 const wchar_t *wname, int perm, int id)
1305 if (prefix != NULL) {
1306 wcscpy(*wp, prefix);
1310 case ARCHIVE_ENTRY_ACL_USER_OBJ:
1314 case ARCHIVE_ENTRY_ACL_USER:
1315 wcscpy(*wp, L"user");
1317 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
1321 case ARCHIVE_ENTRY_ACL_GROUP:
1322 wcscpy(*wp, L"group");
1324 case ARCHIVE_ENTRY_ACL_MASK:
1325 wcscpy(*wp, L"mask");
1329 case ARCHIVE_ENTRY_ACL_OTHER:
1330 wcscpy(*wp, L"other");
1337 if (wname != NULL) {
1340 } else if (tag == ARCHIVE_ENTRY_ACL_USER
1341 || tag == ARCHIVE_ENTRY_ACL_GROUP) {
1342 append_id_w(wp, id);
1346 *(*wp)++ = (perm & 0444) ? L'r' : L'-';
1347 *(*wp)++ = (perm & 0222) ? L'w' : L'-';
1348 *(*wp)++ = (perm & 0111) ? L'x' : L'-';
1351 append_id_w(wp, id);
1357 * Parse a textual ACL. This automatically recognizes and supports
1358 * extensions described above. The 'type' argument is used to
1359 * indicate the type that should be used for any entries not
1360 * explicitly marked as "default:".
1363 __archive_entry_acl_parse_w(struct archive_entry *entry,
1364 const wchar_t *text, int default_type)
1367 const wchar_t *start;
1372 int type, tag, permset, id;
1376 while (text != NULL && *text != L'\0') {
1378 * Parse the fields out of the next entry,
1379 * advance 'text' to start of next entry.
1383 const wchar_t *start, *end;
1384 next_field_w(&text, &start, &end, &sep);
1386 field[fields].start = start;
1387 field[fields].end = end;
1390 } while (sep == L':');
1393 return (ARCHIVE_WARN);
1395 /* Check for a numeric ID in field 1 or 3. */
1397 isint_w(field[1].start, field[1].end, &id);
1398 /* Field 3 is optional. */
1399 if (id == -1 && fields > 3)
1400 isint_w(field[3].start, field[3].end, &id);
1402 /* Parse the permissions from field 2. */
1405 while (p < field[2].end) {
1408 permset |= ARCHIVE_ENTRY_ACL_READ;
1411 permset |= ARCHIVE_ENTRY_ACL_WRITE;
1414 permset |= ARCHIVE_ENTRY_ACL_EXECUTE;
1419 return (ARCHIVE_WARN);
1424 * Solaris extension: "defaultuser::rwx" is the
1425 * default ACL corresponding to "user::rwx", etc.
1427 if (field[0].end-field[0].start > 7
1428 && wmemcmp(field[0].start, L"default", 7) == 0) {
1429 type = ARCHIVE_ENTRY_ACL_TYPE_DEFAULT;
1430 field[0].start += 7;
1432 type = default_type;
1434 if (prefix_w(field[0].start, field[0].end, L"user")) {
1435 if (id != -1 || field[1].start < field[1].end)
1436 tag = ARCHIVE_ENTRY_ACL_USER;
1438 tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
1439 } else if (prefix_w(field[0].start, field[0].end, L"group")) {
1440 if (id != -1 || field[1].start < field[1].end)
1441 tag = ARCHIVE_ENTRY_ACL_GROUP;
1443 tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
1444 } else if (prefix_w(field[0].start, field[0].end, L"other")) {
1445 if (id != -1 || field[1].start < field[1].end)
1446 return (ARCHIVE_WARN);
1447 tag = ARCHIVE_ENTRY_ACL_OTHER;
1448 } else if (prefix_w(field[0].start, field[0].end, L"mask")) {
1449 if (id != -1 || field[1].start < field[1].end)
1450 return (ARCHIVE_WARN);
1451 tag = ARCHIVE_ENTRY_ACL_MASK;
1453 return (ARCHIVE_WARN);
1455 /* Add entry to the internal list. */
1456 archive_entry_acl_add_entry_w_len(entry, type, permset,
1457 tag, id, field[1].start, field[1].end - field[1].start);
1459 return (ARCHIVE_OK);
1463 * extended attribute handling
1467 archive_entry_xattr_clear(struct archive_entry *entry)
1469 struct ae_xattr *xp;
1471 while (entry->xattr_head != NULL) {
1472 xp = entry->xattr_head->next;
1473 free(entry->xattr_head->name);
1474 free(entry->xattr_head->value);
1475 free(entry->xattr_head);
1476 entry->xattr_head = xp;
1479 entry->xattr_head = NULL;
1483 archive_entry_xattr_add_entry(struct archive_entry *entry,
1484 const char *name, const void *value, size_t size)
1486 struct ae_xattr *xp;
1488 for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
1491 if ((xp = (struct ae_xattr *)malloc(sizeof(struct ae_xattr))) == NULL)
1495 xp->name = strdup(name);
1496 if ((xp->value = malloc(size)) != NULL) {
1497 memcpy(xp->value, value, size);
1502 xp->next = entry->xattr_head;
1503 entry->xattr_head = xp;
1508 * returns number of the extended attribute entries
1511 archive_entry_xattr_count(struct archive_entry *entry)
1513 struct ae_xattr *xp;
1516 for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
1523 archive_entry_xattr_reset(struct archive_entry * entry)
1525 entry->xattr_p = entry->xattr_head;
1527 return archive_entry_xattr_count(entry);
1531 archive_entry_xattr_next(struct archive_entry * entry,
1532 const char **name, const void **value, size_t *size)
1534 if (entry->xattr_p) {
1535 *name = entry->xattr_p->name;
1536 *value = entry->xattr_p->value;
1537 *size = entry->xattr_p->size;
1539 entry->xattr_p = entry->xattr_p->next;
1541 return (ARCHIVE_OK);
1546 return (ARCHIVE_WARN);
1551 * end of xattr handling
1555 * Parse a string to a positive decimal integer. Returns true if
1556 * the string is non-empty and consists only of decimal digits,
1560 isint_w(const wchar_t *start, const wchar_t *end, int *result)
1565 while (start < end) {
1566 if (*start < '0' || *start > '9')
1568 if (n > (INT_MAX / 10))
1581 * Match "[:whitespace:]*(.*)[:whitespace:]*[:,\n]". *wp is updated
1582 * to point to just after the separator. *start points to the first
1583 * character of the matched text and *end just after the last
1584 * character of the matched identifier. In particular *end - *start
1585 * is the length of the field body, not including leading or trailing
1589 next_field_w(const wchar_t **wp, const wchar_t **start,
1590 const wchar_t **end, wchar_t *sep)
1592 /* Skip leading whitespace to find start of field. */
1593 while (**wp == L' ' || **wp == L'\t' || **wp == L'\n') {
1598 /* Scan for the separator. */
1599 while (**wp != L'\0' && **wp != L',' && **wp != L':' &&
1605 /* Trim trailing whitespace to locate end of field. */
1607 while (**end == L' ' || **end == L'\t' || **end == L'\n') {
1612 /* Adjust scanner location. */
1618 * Return true if the characters [start...end) are a prefix of 'test'.
1619 * This makes it easy to handle the obvious abbreviations: 'u' for 'user', etc.
1622 prefix_w(const wchar_t *start, const wchar_t *end, const wchar_t *test)
1627 if (*start++ != *test++)
1630 while (start < end && *start++ == *test++)
1641 * Following code is modified from UC Berkeley sources, and
1642 * is subject to the following copyright notice.
1646 * Copyright (c) 1993
1647 * The Regents of the University of California. All rights reserved.
1649 * Redistribution and use in source and binary forms, with or without
1650 * modification, are permitted provided that the following conditions
1652 * 1. Redistributions of source code must retain the above copyright
1653 * notice, this list of conditions and the following disclaimer.
1654 * 2. Redistributions in binary form must reproduce the above copyright
1655 * notice, this list of conditions and the following disclaimer in the
1656 * documentation and/or other materials provided with the distribution.
1657 * 4. Neither the name of the University nor the names of its contributors
1658 * may be used to endorse or promote products derived from this software
1659 * without specific prior written permission.
1661 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1662 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1663 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1664 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1665 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1666 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1667 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1668 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1669 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1670 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1674 static struct flag {
1676 const wchar_t *wname;
1678 unsigned long clear;
1680 /* Preferred (shorter) names per flag first, all prefixed by "no" */
1682 { "nosappnd", L"nosappnd", SF_APPEND, 0 },
1683 { "nosappend", L"nosappend", SF_APPEND, 0 },
1685 #ifdef EXT2_APPEND_FL /* 'a' */
1686 { "nosappnd", L"nosappnd", EXT2_APPEND_FL, 0 },
1687 { "nosappend", L"nosappend", EXT2_APPEND_FL, 0 },
1690 { "noarch", L"noarch", SF_ARCHIVED, 0 },
1691 { "noarchived", L"noarchived", SF_ARCHIVED, 0 },
1694 { "noschg", L"noschg", SF_IMMUTABLE, 0 },
1695 { "noschange", L"noschange", SF_IMMUTABLE, 0 },
1696 { "nosimmutable", L"nosimmutable", SF_IMMUTABLE, 0 },
1698 #ifdef EXT2_IMMUTABLE_FL /* 'i' */
1699 { "noschg", L"noschg", EXT2_IMMUTABLE_FL, 0 },
1700 { "noschange", L"noschange", EXT2_IMMUTABLE_FL, 0 },
1701 { "nosimmutable", L"nosimmutable", EXT2_IMMUTABLE_FL, 0 },
1704 { "nosunlnk", L"nosunlnk", SF_NOUNLINK, 0 },
1705 { "nosunlink", L"nosunlink", SF_NOUNLINK, 0 },
1708 { "nosnapshot", L"nosnapshot", SF_SNAPSHOT, 0 },
1711 { "nouappnd", L"nouappnd", UF_APPEND, 0 },
1712 { "nouappend", L"nouappend", UF_APPEND, 0 },
1715 { "nouchg", L"nouchg", UF_IMMUTABLE, 0 },
1716 { "nouchange", L"nouchange", UF_IMMUTABLE, 0 },
1717 { "nouimmutable", L"nouimmutable", UF_IMMUTABLE, 0 },
1720 { "nodump", L"nodump", 0, UF_NODUMP},
1722 #ifdef EXT2_NODUMP_FL /* 'd' */
1723 { "nodump", L"nodump", 0, EXT2_NODUMP_FL},
1726 { "noopaque", L"noopaque", UF_OPAQUE, 0 },
1729 { "nouunlnk", L"nouunlnk", UF_NOUNLINK, 0 },
1730 { "nouunlink", L"nouunlink", UF_NOUNLINK, 0 },
1732 #ifdef EXT2_COMPR_FL /* 'c' */
1733 { "nocompress", L"nocompress", EXT2_COMPR_FL, 0 },
1736 #ifdef EXT2_NOATIME_FL /* 'A' */
1737 { "noatime", L"noatime", 0, EXT2_NOATIME_FL},
1739 { NULL, NULL, 0, 0 }
1744 * Convert file flags to a comma-separated string. If no flags
1745 * are set, return the empty string.
1748 ae_fflagstostr(unsigned long bitset, unsigned long bitclear)
1756 bits = bitset | bitclear;
1758 for (flag = flags; flag->name != NULL; flag++)
1759 if (bits & (flag->set | flag->clear)) {
1760 length += strlen(flag->name) + 1;
1761 bits &= ~(flag->set | flag->clear);
1766 string = (char *)malloc(length);
1771 for (flag = flags; flag->name != NULL; flag++) {
1772 if (bitset & flag->set || bitclear & flag->clear) {
1773 sp = flag->name + 2;
1774 } else if (bitset & flag->clear || bitclear & flag->set) {
1778 bitset &= ~(flag->set | flag->clear);
1779 bitclear &= ~(flag->set | flag->clear);
1782 while ((*dp++ = *sp++) != '\0')
1793 * Take string of arguments and return file flags. This
1794 * version works a little differently than strtofflags(3).
1795 * In particular, it always tests every token, skipping any
1796 * unrecognized tokens. It returns a pointer to the first
1797 * unrecognized token, or NULL if every token was recognized.
1798 * This version is also const-correct and does not modify the
1802 ae_wcstofflags(const wchar_t *s, unsigned long *setp, unsigned long *clrp)
1804 const wchar_t *start, *end;
1806 unsigned long set, clear;
1807 const wchar_t *failed;
1812 /* Find start of first token. */
1813 while (*start == L'\t' || *start == L' ' || *start == L',')
1815 while (*start != L'\0') {
1816 /* Locate end of token. */
1818 while (*end != L'\0' && *end != L'\t' &&
1819 *end != L' ' && *end != L',')
1821 for (flag = flags; flag->wname != NULL; flag++) {
1822 if (wmemcmp(start, flag->wname, end - start) == 0) {
1823 /* Matched "noXXXX", so reverse the sense. */
1827 } else if (wmemcmp(start, flag->wname + 2, end - start)
1829 /* Matched "XXXX", so don't reverse. */
1831 clear |= flag->clear;
1835 /* Ignore unknown flag names. */
1836 if (flag->wname == NULL && failed == NULL)
1839 /* Find start of next token. */
1841 while (*start == L'\t' || *start == L' ' || *start == L',')
1851 /* Return location of first failure. */
1859 main(int argc, char **argv)
1861 struct archive_entry *entry = archive_entry_new();
1862 unsigned long set, clear;
1863 const wchar_t *remainder;
1865 remainder = archive_entry_copy_fflags_text_w(entry, L"nosappnd dump archive,,,,,,,");
1866 archive_entry_fflags(entry, &set, &clear);
1868 wprintf(L"set=0x%lX clear=0x%lX remainder='%ls'\n", set, clear, remainder);
1870 wprintf(L"new flags='%s'\n", archive_entry_fflags_text(entry));