diff options
Diffstat (limited to 'lib/libarchive/archive_entry.c')
| -rw-r--r-- | lib/libarchive/archive_entry.c | 2202 |
1 files changed, 0 insertions, 2202 deletions
diff --git a/lib/libarchive/archive_entry.c b/lib/libarchive/archive_entry.c deleted file mode 100644 index 1202a8a..0000000 --- a/lib/libarchive/archive_entry.c +++ /dev/null @@ -1,2202 +0,0 @@ -/*- - * Copyright (c) 2003-2007 Tim Kientzle - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "archive_platform.h" -__FBSDID("$FreeBSD$"); - -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#if MAJOR_IN_MKDEV -#include <sys/mkdev.h> -#define HAVE_MAJOR -#elif MAJOR_IN_SYSMACROS -#include <sys/sysmacros.h> -#define HAVE_MAJOR -#endif -#ifdef HAVE_LIMITS_H -#include <limits.h> -#endif -#ifdef HAVE_LINUX_FS_H -#include <linux/fs.h> /* for Linux file flags */ -#endif -/* - * Some Linux distributions have both linux/ext2_fs.h and ext2fs/ext2_fs.h. - * As the include guards don't agree, the order of include is important. - */ -#ifdef HAVE_LINUX_EXT2_FS_H -#include <linux/ext2_fs.h> /* for Linux file flags */ -#endif -#if defined(HAVE_EXT2FS_EXT2_FS_H) && !defined(__CYGWIN__) -#include <ext2fs/ext2_fs.h> /* for Linux file flags */ -#endif -#include <stddef.h> -#include <stdio.h> -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_STRING_H -#include <string.h> -#endif -#ifdef HAVE_WCHAR_H -#include <wchar.h> -#endif - -#include "archive.h" -#include "archive_entry.h" -#include "archive_private.h" -#include "archive_entry_private.h" - -#undef max -#define max(a, b) ((a)>(b)?(a):(b)) - -#if !defined(HAVE_MAJOR) && !defined(major) -/* Replacement for major/minor/makedev. */ -#define major(x) ((int)(0x00ff & ((x) >> 8))) -#define minor(x) ((int)(0xffff00ff & (x))) -#define makedev(maj,min) ((0xff00 & ((maj)<<8)) | (0xffff00ff & (min))) -#endif - -/* Play games to come up with a suitable makedev() definition. */ -#ifdef __QNXNTO__ -/* QNX. <sigh> */ -#include <sys/netmgr.h> -#define ae_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min)) -#elif defined makedev -/* There's a "makedev" macro. */ -#define ae_makedev(maj, min) makedev((maj), (min)) -#elif defined mkdev || ((defined _WIN32 || defined __WIN32__) && !defined(__CYGWIN__)) -/* Windows. <sigh> */ -#define ae_makedev(maj, min) mkdev((maj), (min)) -#else -/* There's a "makedev" function. */ -#define ae_makedev(maj, min) makedev((maj), (min)) -#endif - -static void aes_clean(struct aes *); -static void aes_copy(struct aes *dest, struct aes *src); -static const char * aes_get_mbs(struct aes *); -static const wchar_t * aes_get_wcs(struct aes *); -static int aes_set_mbs(struct aes *, const char *mbs); -static int aes_copy_mbs(struct aes *, const char *mbs); -/* static void aes_set_wcs(struct aes *, const wchar_t *wcs); */ -static int aes_copy_wcs(struct aes *, const wchar_t *wcs); -static int aes_copy_wcs_len(struct aes *, const wchar_t *wcs, size_t); - -static char * ae_fflagstostr(unsigned long bitset, unsigned long bitclear); -static const wchar_t *ae_wcstofflags(const wchar_t *stringp, - unsigned long *setp, unsigned long *clrp); -static const char *ae_strtofflags(const char *stringp, - unsigned long *setp, unsigned long *clrp); -static void append_entry_w(wchar_t **wp, const wchar_t *prefix, int tag, - const wchar_t *wname, int perm, int id); -static void append_id_w(wchar_t **wp, int id); - -static int acl_special(struct archive_entry *entry, - int type, int permset, int tag); -static struct ae_acl *acl_new_entry(struct archive_entry *entry, - int type, int permset, int tag, int id); -static int isint_w(const wchar_t *start, const wchar_t *end, int *result); -static int ismode_w(const wchar_t *start, const wchar_t *end, int *result); -static void next_field_w(const wchar_t **wp, const wchar_t **start, - const wchar_t **end, wchar_t *sep); -static int prefix_w(const wchar_t *start, const wchar_t *end, - const wchar_t *test); -static void -archive_entry_acl_add_entry_w_len(struct archive_entry *entry, int type, - int permset, int tag, int id, const wchar_t *name, size_t); - - -#ifndef HAVE_WCSCPY -static wchar_t * wcscpy(wchar_t *s1, const wchar_t *s2) -{ - wchar_t *dest = s1; - while ((*s1 = *s2) != L'\0') - ++s1, ++s2; - return dest; -} -#endif -#ifndef HAVE_WCSLEN -static size_t wcslen(const wchar_t *s) -{ - const wchar_t *p = s; - while (*p != L'\0') - ++p; - return p - s; -} -#endif -#ifndef HAVE_WMEMCMP -/* Good enough for simple equality testing, but not for sorting. */ -#define wmemcmp(a,b,i) memcmp((a), (b), (i) * sizeof(wchar_t)) -#endif -#ifndef HAVE_WMEMCPY -#define wmemcpy(a,b,i) (wchar_t *)memcpy((a), (b), (i) * sizeof(wchar_t)) -#endif - -static void -aes_clean(struct aes *aes) -{ - if (aes->aes_wcs) { - free((wchar_t *)(uintptr_t)aes->aes_wcs); - aes->aes_wcs = NULL; - } - archive_string_free(&(aes->aes_mbs)); - archive_string_free(&(aes->aes_utf8)); - aes->aes_set = 0; -} - -static void -aes_copy(struct aes *dest, struct aes *src) -{ - wchar_t *wp; - - dest->aes_set = src->aes_set; - archive_string_copy(&(dest->aes_mbs), &(src->aes_mbs)); - archive_string_copy(&(dest->aes_utf8), &(src->aes_utf8)); - - if (src->aes_wcs != NULL) { - wp = (wchar_t *)malloc((wcslen(src->aes_wcs) + 1) - * sizeof(wchar_t)); - if (wp == NULL) - __archive_errx(1, "No memory for aes_copy()"); - wcscpy(wp, src->aes_wcs); - dest->aes_wcs = wp; - } -} - -static const char * -aes_get_utf8(struct aes *aes) -{ - if (aes->aes_set & AES_SET_UTF8) - return (aes->aes_utf8.s); - if ((aes->aes_set & AES_SET_WCS) - && archive_strappend_w_utf8(&(aes->aes_utf8), aes->aes_wcs) != NULL) { - aes->aes_set |= AES_SET_UTF8; - return (aes->aes_utf8.s); - } - return (NULL); -} - -static const char * -aes_get_mbs(struct aes *aes) -{ - /* If we already have an MBS form, return that immediately. */ - if (aes->aes_set & AES_SET_MBS) - return (aes->aes_mbs.s); - /* If there's a WCS form, try converting with the native locale. */ - if ((aes->aes_set & AES_SET_WCS) - && archive_strappend_w_mbs(&(aes->aes_mbs), aes->aes_wcs) != NULL) { - aes->aes_set |= AES_SET_MBS; - return (aes->aes_mbs.s); - } - /* We'll use UTF-8 for MBS if all else fails. */ - return (aes_get_utf8(aes)); -} - -static const wchar_t * -aes_get_wcs(struct aes *aes) -{ - wchar_t *w; - size_t r; - - /* Return WCS form if we already have it. */ - if (aes->aes_set & AES_SET_WCS) - return (aes->aes_wcs); - - if (aes->aes_set & AES_SET_MBS) { - /* Try converting MBS to WCS using native locale. */ - /* - * No single byte will be more than one wide character, - * so this length estimate will always be big enough. - */ - size_t wcs_length = aes->aes_mbs.length; - - w = (wchar_t *)malloc((wcs_length + 1) * sizeof(wchar_t)); - if (w == NULL) - __archive_errx(1, "No memory for aes_get_wcs()"); - r = mbstowcs(w, aes->aes_mbs.s, wcs_length); - if (r != (size_t)-1 && r != 0) { - w[r] = 0; - aes->aes_set |= AES_SET_WCS; - return (aes->aes_wcs = w); - } - free(w); - } - - if (aes->aes_set & AES_SET_UTF8) { - /* Try converting UTF8 to WCS. */ - aes->aes_wcs = __archive_string_utf8_w(&(aes->aes_utf8)); - if (aes->aes_wcs != NULL) - aes->aes_set |= AES_SET_WCS; - return (aes->aes_wcs); - } - return (NULL); -} - -static int -aes_set_mbs(struct aes *aes, const char *mbs) -{ - return (aes_copy_mbs(aes, mbs)); -} - -static int -aes_copy_mbs(struct aes *aes, const char *mbs) -{ - if (mbs == NULL) { - aes->aes_set = 0; - return (0); - } - aes->aes_set = AES_SET_MBS; /* Only MBS form is set now. */ - archive_strcpy(&(aes->aes_mbs), mbs); - archive_string_empty(&(aes->aes_utf8)); - if (aes->aes_wcs) { - free((wchar_t *)(uintptr_t)aes->aes_wcs); - aes->aes_wcs = NULL; - } - return (0); -} - -/* - * The 'update' form tries to proactively update all forms of - * this string (WCS and MBS) and returns an error if any of - * them fail. This is used by the 'pax' handler, for instance, - * to detect and report character-conversion failures early while - * still allowing clients to get potentially useful values from - * the more tolerant lazy conversions. (get_mbs and get_wcs will - * strive to give the user something useful, so you can get hopefully - * usable values even if some of the character conversions are failing.) - */ -static int -aes_update_utf8(struct aes *aes, const char *utf8) -{ - if (utf8 == NULL) { - aes->aes_set = 0; - return (1); /* Succeeded in clearing everything. */ - } - - /* Save the UTF8 string. */ - archive_strcpy(&(aes->aes_utf8), utf8); - - /* Empty the mbs and wcs strings. */ - archive_string_empty(&(aes->aes_mbs)); - if (aes->aes_wcs) { - free((wchar_t *)(uintptr_t)aes->aes_wcs); - aes->aes_wcs = NULL; - } - - aes->aes_set = AES_SET_UTF8; /* Only UTF8 is set now. */ - - /* TODO: We should just do a direct UTF-8 to MBS conversion - * here. That would be faster, use less space, and give the - * same information. (If a UTF-8 to MBS conversion succeeds, - * then UTF-8->WCS and Unicode->MBS conversions will both - * succeed.) */ - - /* Try converting UTF8 to WCS, return false on failure. */ - aes->aes_wcs = __archive_string_utf8_w(&(aes->aes_utf8)); - if (aes->aes_wcs == NULL) - return (0); - aes->aes_set = AES_SET_UTF8 | AES_SET_WCS; /* Both UTF8 and WCS set. */ - - /* Try converting WCS to MBS, return false on failure. */ - if (archive_strappend_w_mbs(&(aes->aes_mbs), aes->aes_wcs) == NULL) - return (0); - aes->aes_set = AES_SET_UTF8 | AES_SET_WCS | AES_SET_MBS; - - /* All conversions succeeded. */ - return (1); -} - -static int -aes_copy_wcs(struct aes *aes, const wchar_t *wcs) -{ - return aes_copy_wcs_len(aes, wcs, wcs == NULL ? 0 : wcslen(wcs)); -} - -static int -aes_copy_wcs_len(struct aes *aes, const wchar_t *wcs, size_t len) -{ - wchar_t *w; - - if (wcs == NULL) { - aes->aes_set = 0; - return (0); - } - aes->aes_set = AES_SET_WCS; /* Only WCS form set. */ - archive_string_empty(&(aes->aes_mbs)); - archive_string_empty(&(aes->aes_utf8)); - if (aes->aes_wcs) { - free((wchar_t *)(uintptr_t)aes->aes_wcs); - aes->aes_wcs = NULL; - } - w = (wchar_t *)malloc((len + 1) * sizeof(wchar_t)); - if (w == NULL) - __archive_errx(1, "No memory for aes_copy_wcs()"); - wmemcpy(w, wcs, len); - w[len] = L'\0'; - aes->aes_wcs = w; - return (0); -} - -/**************************************************************************** - * - * Public Interface - * - ****************************************************************************/ - -struct archive_entry * -archive_entry_clear(struct archive_entry *entry) -{ - if (entry == NULL) - return (NULL); - aes_clean(&entry->ae_fflags_text); - aes_clean(&entry->ae_gname); - aes_clean(&entry->ae_hardlink); - aes_clean(&entry->ae_pathname); - aes_clean(&entry->ae_sourcepath); - aes_clean(&entry->ae_symlink); - aes_clean(&entry->ae_uname); - archive_entry_acl_clear(entry); - archive_entry_xattr_clear(entry); - free(entry->stat); - memset(entry, 0, sizeof(*entry)); - return entry; -} - -struct archive_entry * -archive_entry_clone(struct archive_entry *entry) -{ - struct archive_entry *entry2; - struct ae_acl *ap, *ap2; - struct ae_xattr *xp; - - /* Allocate new structure and copy over all of the fields. */ - entry2 = (struct archive_entry *)malloc(sizeof(*entry2)); - if (entry2 == NULL) - return (NULL); - memset(entry2, 0, sizeof(*entry2)); - entry2->ae_stat = entry->ae_stat; - entry2->ae_fflags_set = entry->ae_fflags_set; - entry2->ae_fflags_clear = entry->ae_fflags_clear; - - aes_copy(&entry2->ae_fflags_text, &entry->ae_fflags_text); - aes_copy(&entry2->ae_gname, &entry->ae_gname); - aes_copy(&entry2->ae_hardlink, &entry->ae_hardlink); - aes_copy(&entry2->ae_pathname, &entry->ae_pathname); - aes_copy(&entry2->ae_sourcepath, &entry->ae_sourcepath); - aes_copy(&entry2->ae_symlink, &entry->ae_symlink); - entry2->ae_set = entry->ae_set; - aes_copy(&entry2->ae_uname, &entry->ae_uname); - - /* Copy ACL data over. */ - ap = entry->acl_head; - while (ap != NULL) { - ap2 = acl_new_entry(entry2, - ap->type, ap->permset, ap->tag, ap->id); - if (ap2 != NULL) - aes_copy(&ap2->name, &ap->name); - ap = ap->next; - } - - /* Copy xattr data over. */ - xp = entry->xattr_head; - while (xp != NULL) { - archive_entry_xattr_add_entry(entry2, - xp->name, xp->value, xp->size); - xp = xp->next; - } - - return (entry2); -} - -void -archive_entry_free(struct archive_entry *entry) -{ - archive_entry_clear(entry); - free(entry); -} - -struct archive_entry * -archive_entry_new(void) -{ - struct archive_entry *entry; - - entry = (struct archive_entry *)malloc(sizeof(*entry)); - if (entry == NULL) - return (NULL); - memset(entry, 0, sizeof(*entry)); - return (entry); -} - -/* - * Functions for reading fields from an archive_entry. - */ - -time_t -archive_entry_atime(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_atime); -} - -long -archive_entry_atime_nsec(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_atime_nsec); -} - -int -archive_entry_atime_is_set(struct archive_entry *entry) -{ - return (entry->ae_set & AE_SET_ATIME); -} - -time_t -archive_entry_birthtime(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_birthtime); -} - -long -archive_entry_birthtime_nsec(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_birthtime_nsec); -} - -int -archive_entry_birthtime_is_set(struct archive_entry *entry) -{ - return (entry->ae_set & AE_SET_BIRTHTIME); -} - -time_t -archive_entry_ctime(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_ctime); -} - -int -archive_entry_ctime_is_set(struct archive_entry *entry) -{ - return (entry->ae_set & AE_SET_CTIME); -} - -long -archive_entry_ctime_nsec(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_ctime_nsec); -} - -dev_t -archive_entry_dev(struct archive_entry *entry) -{ - if (entry->ae_stat.aest_dev_is_broken_down) - return ae_makedev(entry->ae_stat.aest_devmajor, - entry->ae_stat.aest_devminor); - else - return (entry->ae_stat.aest_dev); -} - -dev_t -archive_entry_devmajor(struct archive_entry *entry) -{ - if (entry->ae_stat.aest_dev_is_broken_down) - return (entry->ae_stat.aest_devmajor); - else - return major(entry->ae_stat.aest_dev); -} - -dev_t -archive_entry_devminor(struct archive_entry *entry) -{ - if (entry->ae_stat.aest_dev_is_broken_down) - return (entry->ae_stat.aest_devminor); - else - return minor(entry->ae_stat.aest_dev); -} - -mode_t -archive_entry_filetype(struct archive_entry *entry) -{ - return (AE_IFMT & entry->ae_stat.aest_mode); -} - -void -archive_entry_fflags(struct archive_entry *entry, - unsigned long *set, unsigned long *clear) -{ - *set = entry->ae_fflags_set; - *clear = entry->ae_fflags_clear; -} - -/* - * Note: if text was provided, this just returns that text. If you - * really need the text to be rebuilt in a canonical form, set the - * text, ask for the bitmaps, then set the bitmaps. (Setting the - * bitmaps clears any stored text.) This design is deliberate: if - * we're editing archives, we don't want to discard flags just because - * they aren't supported on the current system. The bitmap<->text - * conversions are platform-specific (see below). - */ -const char * -archive_entry_fflags_text(struct archive_entry *entry) -{ - const char *f; - char *p; - - f = aes_get_mbs(&entry->ae_fflags_text); - if (f != NULL) - return (f); - - if (entry->ae_fflags_set == 0 && entry->ae_fflags_clear == 0) - return (NULL); - - p = ae_fflagstostr(entry->ae_fflags_set, entry->ae_fflags_clear); - if (p == NULL) - return (NULL); - - aes_copy_mbs(&entry->ae_fflags_text, p); - free(p); - f = aes_get_mbs(&entry->ae_fflags_text); - return (f); -} - -gid_t -archive_entry_gid(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_gid); -} - -const char * -archive_entry_gname(struct archive_entry *entry) -{ - return (aes_get_mbs(&entry->ae_gname)); -} - -const wchar_t * -archive_entry_gname_w(struct archive_entry *entry) -{ - return (aes_get_wcs(&entry->ae_gname)); -} - -const char * -archive_entry_hardlink(struct archive_entry *entry) -{ - if (entry->ae_set & AE_SET_HARDLINK) - return (aes_get_mbs(&entry->ae_hardlink)); - return (NULL); -} - -const wchar_t * -archive_entry_hardlink_w(struct archive_entry *entry) -{ - if (entry->ae_set & AE_SET_HARDLINK) - return (aes_get_wcs(&entry->ae_hardlink)); - return (NULL); -} - -ino_t -archive_entry_ino(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_ino); -} - -int64_t -archive_entry_ino64(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_ino); -} - -mode_t -archive_entry_mode(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_mode); -} - -time_t -archive_entry_mtime(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_mtime); -} - -long -archive_entry_mtime_nsec(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_mtime_nsec); -} - -int -archive_entry_mtime_is_set(struct archive_entry *entry) -{ - return (entry->ae_set & AE_SET_MTIME); -} - -unsigned int -archive_entry_nlink(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_nlink); -} - -const char * -archive_entry_pathname(struct archive_entry *entry) -{ - return (aes_get_mbs(&entry->ae_pathname)); -} - -const wchar_t * -archive_entry_pathname_w(struct archive_entry *entry) -{ - return (aes_get_wcs(&entry->ae_pathname)); -} - -dev_t -archive_entry_rdev(struct archive_entry *entry) -{ - if (entry->ae_stat.aest_rdev_is_broken_down) - return ae_makedev(entry->ae_stat.aest_rdevmajor, - entry->ae_stat.aest_rdevminor); - else - return (entry->ae_stat.aest_rdev); -} - -dev_t -archive_entry_rdevmajor(struct archive_entry *entry) -{ - if (entry->ae_stat.aest_rdev_is_broken_down) - return (entry->ae_stat.aest_rdevmajor); - else - return major(entry->ae_stat.aest_rdev); -} - -dev_t -archive_entry_rdevminor(struct archive_entry *entry) -{ - if (entry->ae_stat.aest_rdev_is_broken_down) - return (entry->ae_stat.aest_rdevminor); - else - return minor(entry->ae_stat.aest_rdev); -} - -int64_t -archive_entry_size(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_size); -} - -int -archive_entry_size_is_set(struct archive_entry *entry) -{ - return (entry->ae_set & AE_SET_SIZE); -} - -const char * -archive_entry_sourcepath(struct archive_entry *entry) -{ - return (aes_get_mbs(&entry->ae_sourcepath)); -} - -const char * -archive_entry_symlink(struct archive_entry *entry) -{ - if (entry->ae_set & AE_SET_SYMLINK) - return (aes_get_mbs(&entry->ae_symlink)); - return (NULL); -} - -const wchar_t * -archive_entry_symlink_w(struct archive_entry *entry) -{ - if (entry->ae_set & AE_SET_SYMLINK) - return (aes_get_wcs(&entry->ae_symlink)); - return (NULL); -} - -uid_t -archive_entry_uid(struct archive_entry *entry) -{ - return (entry->ae_stat.aest_uid); -} - -const char * -archive_entry_uname(struct archive_entry *entry) -{ - return (aes_get_mbs(&entry->ae_uname)); -} - -const wchar_t * -archive_entry_uname_w(struct archive_entry *entry) -{ - return (aes_get_wcs(&entry->ae_uname)); -} - -/* - * Functions to set archive_entry properties. - */ - -void -archive_entry_set_filetype(struct archive_entry *entry, unsigned int type) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_mode &= ~AE_IFMT; - entry->ae_stat.aest_mode |= AE_IFMT & type; -} - -void -archive_entry_set_fflags(struct archive_entry *entry, - unsigned long set, unsigned long clear) -{ - aes_clean(&entry->ae_fflags_text); - entry->ae_fflags_set = set; - entry->ae_fflags_clear = clear; -} - -const char * -archive_entry_copy_fflags_text(struct archive_entry *entry, - const char *flags) -{ - aes_copy_mbs(&entry->ae_fflags_text, flags); - return (ae_strtofflags(flags, - &entry->ae_fflags_set, &entry->ae_fflags_clear)); -} - -const wchar_t * -archive_entry_copy_fflags_text_w(struct archive_entry *entry, - const wchar_t *flags) -{ - aes_copy_wcs(&entry->ae_fflags_text, flags); - return (ae_wcstofflags(flags, - &entry->ae_fflags_set, &entry->ae_fflags_clear)); -} - -void -archive_entry_set_gid(struct archive_entry *entry, gid_t g) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_gid = g; -} - -void -archive_entry_set_gname(struct archive_entry *entry, const char *name) -{ - aes_set_mbs(&entry->ae_gname, name); -} - -void -archive_entry_copy_gname(struct archive_entry *entry, const char *name) -{ - aes_copy_mbs(&entry->ae_gname, name); -} - -void -archive_entry_copy_gname_w(struct archive_entry *entry, const wchar_t *name) -{ - aes_copy_wcs(&entry->ae_gname, name); -} - -int -archive_entry_update_gname_utf8(struct archive_entry *entry, const char *name) -{ - return (aes_update_utf8(&entry->ae_gname, name)); -} - -void -archive_entry_set_ino(struct archive_entry *entry, unsigned long ino) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_ino = ino; -} - -void -archive_entry_set_ino64(struct archive_entry *entry, int64_t ino) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_ino = ino; -} - -void -archive_entry_set_hardlink(struct archive_entry *entry, const char *target) -{ - aes_set_mbs(&entry->ae_hardlink, target); - if (target != NULL) - entry->ae_set |= AE_SET_HARDLINK; - else - entry->ae_set &= ~AE_SET_HARDLINK; -} - -void -archive_entry_copy_hardlink(struct archive_entry *entry, const char *target) -{ - aes_copy_mbs(&entry->ae_hardlink, target); - if (target != NULL) - entry->ae_set |= AE_SET_HARDLINK; - else - entry->ae_set &= ~AE_SET_HARDLINK; -} - -void -archive_entry_copy_hardlink_w(struct archive_entry *entry, const wchar_t *target) -{ - aes_copy_wcs(&entry->ae_hardlink, target); - if (target != NULL) - entry->ae_set |= AE_SET_HARDLINK; - else - entry->ae_set &= ~AE_SET_HARDLINK; -} - -int -archive_entry_update_hardlink_utf8(struct archive_entry *entry, const char *target) -{ - if (target != NULL) - entry->ae_set |= AE_SET_HARDLINK; - else - entry->ae_set &= ~AE_SET_HARDLINK; - return (aes_update_utf8(&entry->ae_hardlink, target)); -} - -void -archive_entry_set_atime(struct archive_entry *entry, time_t t, long ns) -{ - entry->stat_valid = 0; - entry->ae_set |= AE_SET_ATIME; - entry->ae_stat.aest_atime = t; - entry->ae_stat.aest_atime_nsec = ns; -} - -void -archive_entry_unset_atime(struct archive_entry *entry) -{ - archive_entry_set_atime(entry, 0, 0); - entry->ae_set &= ~AE_SET_ATIME; -} - -void -archive_entry_set_birthtime(struct archive_entry *entry, time_t m, long ns) -{ - entry->stat_valid = 0; - entry->ae_set |= AE_SET_BIRTHTIME; - entry->ae_stat.aest_birthtime = m; - entry->ae_stat.aest_birthtime_nsec = ns; -} - -void -archive_entry_unset_birthtime(struct archive_entry *entry) -{ - archive_entry_set_birthtime(entry, 0, 0); - entry->ae_set &= ~AE_SET_BIRTHTIME; -} - -void -archive_entry_set_ctime(struct archive_entry *entry, time_t t, long ns) -{ - entry->stat_valid = 0; - entry->ae_set |= AE_SET_CTIME; - entry->ae_stat.aest_ctime = t; - entry->ae_stat.aest_ctime_nsec = ns; -} - -void -archive_entry_unset_ctime(struct archive_entry *entry) -{ - archive_entry_set_ctime(entry, 0, 0); - entry->ae_set &= ~AE_SET_CTIME; -} - -void -archive_entry_set_dev(struct archive_entry *entry, dev_t d) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_dev_is_broken_down = 0; - entry->ae_stat.aest_dev = d; -} - -void -archive_entry_set_devmajor(struct archive_entry *entry, dev_t m) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_dev_is_broken_down = 1; - entry->ae_stat.aest_devmajor = m; -} - -void -archive_entry_set_devminor(struct archive_entry *entry, dev_t m) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_dev_is_broken_down = 1; - entry->ae_stat.aest_devminor = m; -} - -/* Set symlink if symlink is already set, else set hardlink. */ -void -archive_entry_set_link(struct archive_entry *entry, const char *target) -{ - if (entry->ae_set & AE_SET_SYMLINK) - aes_set_mbs(&entry->ae_symlink, target); - else - aes_set_mbs(&entry->ae_hardlink, target); -} - -/* Set symlink if symlink is already set, else set hardlink. */ -void -archive_entry_copy_link(struct archive_entry *entry, const char *target) -{ - if (entry->ae_set & AE_SET_SYMLINK) - aes_copy_mbs(&entry->ae_symlink, target); - else - aes_copy_mbs(&entry->ae_hardlink, target); -} - -/* Set symlink if symlink is already set, else set hardlink. */ -void -archive_entry_copy_link_w(struct archive_entry *entry, const wchar_t *target) -{ - if (entry->ae_set & AE_SET_SYMLINK) - aes_copy_wcs(&entry->ae_symlink, target); - else - aes_copy_wcs(&entry->ae_hardlink, target); -} - -int -archive_entry_update_link_utf8(struct archive_entry *entry, const char *target) -{ - if (entry->ae_set & AE_SET_SYMLINK) - return (aes_update_utf8(&entry->ae_symlink, target)); - else - return (aes_update_utf8(&entry->ae_hardlink, target)); -} - -void -archive_entry_set_mode(struct archive_entry *entry, mode_t m) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_mode = m; -} - -void -archive_entry_set_mtime(struct archive_entry *entry, time_t m, long ns) -{ - entry->stat_valid = 0; - entry->ae_set |= AE_SET_MTIME; - entry->ae_stat.aest_mtime = m; - entry->ae_stat.aest_mtime_nsec = ns; -} - -void -archive_entry_unset_mtime(struct archive_entry *entry) -{ - archive_entry_set_mtime(entry, 0, 0); - entry->ae_set &= ~AE_SET_MTIME; -} - -void -archive_entry_set_nlink(struct archive_entry *entry, unsigned int nlink) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_nlink = nlink; -} - -void -archive_entry_set_pathname(struct archive_entry *entry, const char *name) -{ - aes_set_mbs(&entry->ae_pathname, name); -} - -void -archive_entry_copy_pathname(struct archive_entry *entry, const char *name) -{ - aes_copy_mbs(&entry->ae_pathname, name); -} - -void -archive_entry_copy_pathname_w(struct archive_entry *entry, const wchar_t *name) -{ - aes_copy_wcs(&entry->ae_pathname, name); -} - -int -archive_entry_update_pathname_utf8(struct archive_entry *entry, const char *name) -{ - return (aes_update_utf8(&entry->ae_pathname, name)); -} - -void -archive_entry_set_perm(struct archive_entry *entry, mode_t p) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_mode &= AE_IFMT; - entry->ae_stat.aest_mode |= ~AE_IFMT & p; -} - -void -archive_entry_set_rdev(struct archive_entry *entry, dev_t m) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_rdev = m; - entry->ae_stat.aest_rdev_is_broken_down = 0; -} - -void -archive_entry_set_rdevmajor(struct archive_entry *entry, dev_t m) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_rdev_is_broken_down = 1; - entry->ae_stat.aest_rdevmajor = m; -} - -void -archive_entry_set_rdevminor(struct archive_entry *entry, dev_t m) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_rdev_is_broken_down = 1; - entry->ae_stat.aest_rdevminor = m; -} - -void -archive_entry_set_size(struct archive_entry *entry, int64_t s) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_size = s; - entry->ae_set |= AE_SET_SIZE; -} - -void -archive_entry_unset_size(struct archive_entry *entry) -{ - archive_entry_set_size(entry, 0); - entry->ae_set &= ~AE_SET_SIZE; -} - -void -archive_entry_copy_sourcepath(struct archive_entry *entry, const char *path) -{ - aes_set_mbs(&entry->ae_sourcepath, path); -} - -void -archive_entry_set_symlink(struct archive_entry *entry, const char *linkname) -{ - aes_set_mbs(&entry->ae_symlink, linkname); - if (linkname != NULL) - entry->ae_set |= AE_SET_SYMLINK; - else - entry->ae_set &= ~AE_SET_SYMLINK; -} - -void -archive_entry_copy_symlink(struct archive_entry *entry, const char *linkname) -{ - aes_copy_mbs(&entry->ae_symlink, linkname); - if (linkname != NULL) - entry->ae_set |= AE_SET_SYMLINK; - else - entry->ae_set &= ~AE_SET_SYMLINK; -} - -void -archive_entry_copy_symlink_w(struct archive_entry *entry, const wchar_t *linkname) -{ - aes_copy_wcs(&entry->ae_symlink, linkname); - if (linkname != NULL) - entry->ae_set |= AE_SET_SYMLINK; - else - entry->ae_set &= ~AE_SET_SYMLINK; -} - -int -archive_entry_update_symlink_utf8(struct archive_entry *entry, const char *linkname) -{ - if (linkname != NULL) - entry->ae_set |= AE_SET_SYMLINK; - else - entry->ae_set &= ~AE_SET_SYMLINK; - return (aes_update_utf8(&entry->ae_symlink, linkname)); -} - -void -archive_entry_set_uid(struct archive_entry *entry, uid_t u) -{ - entry->stat_valid = 0; - entry->ae_stat.aest_uid = u; -} - -void -archive_entry_set_uname(struct archive_entry *entry, const char *name) -{ - aes_set_mbs(&entry->ae_uname, name); -} - -void -archive_entry_copy_uname(struct archive_entry *entry, const char *name) -{ - aes_copy_mbs(&entry->ae_uname, name); -} - -void -archive_entry_copy_uname_w(struct archive_entry *entry, const wchar_t *name) -{ - aes_copy_wcs(&entry->ae_uname, name); -} - -int -archive_entry_update_uname_utf8(struct archive_entry *entry, const char *name) -{ - return (aes_update_utf8(&entry->ae_uname, name)); -} - -/* - * ACL management. The following would, of course, be a lot simpler - * if: 1) the last draft of POSIX.1e were a really thorough and - * complete standard that addressed the needs of ACL archiving and 2) - * everyone followed it faithfully. Alas, neither is true, so the - * following is a lot more complex than might seem necessary to the - * uninitiated. - */ - -void -archive_entry_acl_clear(struct archive_entry *entry) -{ - struct ae_acl *ap; - - while (entry->acl_head != NULL) { - ap = entry->acl_head->next; - aes_clean(&entry->acl_head->name); - free(entry->acl_head); - entry->acl_head = ap; - } - if (entry->acl_text_w != NULL) { - free(entry->acl_text_w); - entry->acl_text_w = NULL; - } - entry->acl_p = NULL; - entry->acl_state = 0; /* Not counting. */ -} - -/* - * Add a single ACL entry to the internal list of ACL data. - */ -void -archive_entry_acl_add_entry(struct archive_entry *entry, - int type, int permset, int tag, int id, const char *name) -{ - struct ae_acl *ap; - - if (acl_special(entry, type, permset, tag) == 0) - return; - ap = acl_new_entry(entry, type, permset, tag, id); - if (ap == NULL) { - /* XXX Error XXX */ - return; - } - if (name != NULL && *name != '\0') - aes_copy_mbs(&ap->name, name); - else - aes_clean(&ap->name); -} - -/* - * As above, but with a wide-character name. - */ -void -archive_entry_acl_add_entry_w(struct archive_entry *entry, - int type, int permset, int tag, int id, const wchar_t *name) -{ - archive_entry_acl_add_entry_w_len(entry, type, permset, tag, id, name, wcslen(name)); -} - -static void -archive_entry_acl_add_entry_w_len(struct archive_entry *entry, - int type, int permset, int tag, int id, const wchar_t *name, size_t len) -{ - struct ae_acl *ap; - - if (acl_special(entry, type, permset, tag) == 0) - return; - ap = acl_new_entry(entry, type, permset, tag, id); - if (ap == NULL) { - /* XXX Error XXX */ - return; - } - if (name != NULL && *name != L'\0' && len > 0) - aes_copy_wcs_len(&ap->name, name, len); - else - aes_clean(&ap->name); -} - -/* - * If this ACL entry is part of the standard POSIX permissions set, - * store the permissions in the stat structure and return zero. - */ -static int -acl_special(struct archive_entry *entry, int type, int permset, int tag) -{ - if (type == ARCHIVE_ENTRY_ACL_TYPE_ACCESS) { - switch (tag) { - case ARCHIVE_ENTRY_ACL_USER_OBJ: - entry->ae_stat.aest_mode &= ~0700; - entry->ae_stat.aest_mode |= (permset & 7) << 6; - return (0); - case ARCHIVE_ENTRY_ACL_GROUP_OBJ: - entry->ae_stat.aest_mode &= ~0070; - entry->ae_stat.aest_mode |= (permset & 7) << 3; - return (0); - case ARCHIVE_ENTRY_ACL_OTHER: - entry->ae_stat.aest_mode &= ~0007; - entry->ae_stat.aest_mode |= permset & 7; - return (0); - } - } - return (1); -} - -/* - * Allocate and populate a new ACL entry with everything but the - * name. - */ -static struct ae_acl * -acl_new_entry(struct archive_entry *entry, - int type, int permset, int tag, int id) -{ - struct ae_acl *ap, *aq; - - if (type != ARCHIVE_ENTRY_ACL_TYPE_ACCESS && - type != ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) - return (NULL); - if (entry->acl_text_w != NULL) { - free(entry->acl_text_w); - entry->acl_text_w = NULL; - } - - /* XXX TODO: More sanity-checks on the arguments XXX */ - - /* If there's a matching entry already in the list, overwrite it. */ - ap = entry->acl_head; - aq = NULL; - while (ap != NULL) { - if (ap->type == type && ap->tag == tag && ap->id == id) { - ap->permset = permset; - return (ap); - } - aq = ap; - ap = ap->next; - } - - /* Add a new entry to the end of the list. */ - ap = (struct ae_acl *)malloc(sizeof(*ap)); - if (ap == NULL) - return (NULL); - memset(ap, 0, sizeof(*ap)); - if (aq == NULL) - entry->acl_head = ap; - else - aq->next = ap; - ap->type = type; - ap->tag = tag; - ap->id = id; - ap->permset = permset; - return (ap); -} - -/* - * Return a count of entries matching "want_type". - */ -int -archive_entry_acl_count(struct archive_entry *entry, int want_type) -{ - int count; - struct ae_acl *ap; - - count = 0; - ap = entry->acl_head; - while (ap != NULL) { - if ((ap->type & want_type) != 0) - count++; - ap = ap->next; - } - - if (count > 0 && ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0)) - count += 3; - return (count); -} - -/* - * Prepare for reading entries from the ACL data. Returns a count - * of entries matching "want_type", or zero if there are no - * non-extended ACL entries of that type. - */ -int -archive_entry_acl_reset(struct archive_entry *entry, int want_type) -{ - int count, cutoff; - - count = archive_entry_acl_count(entry, want_type); - - /* - * If the only entries are the three standard ones, - * then don't return any ACL data. (In this case, - * client can just use chmod(2) to set permissions.) - */ - if ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) - cutoff = 3; - else - cutoff = 0; - - if (count > cutoff) - entry->acl_state = ARCHIVE_ENTRY_ACL_USER_OBJ; - else - entry->acl_state = 0; - entry->acl_p = entry->acl_head; - return (count); -} - -/* - * Return the next ACL entry in the list. Fake entries for the - * standard permissions and include them in the returned list. - */ - -int -archive_entry_acl_next(struct archive_entry *entry, int want_type, int *type, - int *permset, int *tag, int *id, const char **name) -{ - *name = NULL; - *id = -1; - - /* - * The acl_state is either zero (no entries available), -1 - * (reading from list), or an entry type (retrieve that type - * from ae_stat.aest_mode). - */ - if (entry->acl_state == 0) - return (ARCHIVE_WARN); - - /* The first three access entries are special. */ - if ((want_type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) { - switch (entry->acl_state) { - case ARCHIVE_ENTRY_ACL_USER_OBJ: - *permset = (entry->ae_stat.aest_mode >> 6) & 7; - *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS; - *tag = ARCHIVE_ENTRY_ACL_USER_OBJ; - entry->acl_state = ARCHIVE_ENTRY_ACL_GROUP_OBJ; - return (ARCHIVE_OK); - case ARCHIVE_ENTRY_ACL_GROUP_OBJ: - *permset = (entry->ae_stat.aest_mode >> 3) & 7; - *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS; - *tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ; - entry->acl_state = ARCHIVE_ENTRY_ACL_OTHER; - return (ARCHIVE_OK); - case ARCHIVE_ENTRY_ACL_OTHER: - *permset = entry->ae_stat.aest_mode & 7; - *type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS; - *tag = ARCHIVE_ENTRY_ACL_OTHER; - entry->acl_state = -1; - entry->acl_p = entry->acl_head; - return (ARCHIVE_OK); - default: - break; - } - } - - while (entry->acl_p != NULL && (entry->acl_p->type & want_type) == 0) - entry->acl_p = entry->acl_p->next; - if (entry->acl_p == NULL) { - entry->acl_state = 0; - *type = 0; - *permset = 0; - *tag = 0; - *id = -1; - *name = NULL; - return (ARCHIVE_EOF); /* End of ACL entries. */ - } - *type = entry->acl_p->type; - *permset = entry->acl_p->permset; - *tag = entry->acl_p->tag; - *id = entry->acl_p->id; - *name = aes_get_mbs(&entry->acl_p->name); - entry->acl_p = entry->acl_p->next; - return (ARCHIVE_OK); -} - -/* - * Generate a text version of the ACL. The flags parameter controls - * the style of the generated ACL. - */ -const wchar_t * -archive_entry_acl_text_w(struct archive_entry *entry, int flags) -{ - int count; - size_t length; - const wchar_t *wname; - const wchar_t *prefix; - wchar_t separator; - struct ae_acl *ap; - int id; - wchar_t *wp; - - if (entry->acl_text_w != NULL) { - free (entry->acl_text_w); - entry->acl_text_w = NULL; - } - - separator = L','; - count = 0; - length = 0; - ap = entry->acl_head; - while (ap != NULL) { - if ((ap->type & flags) != 0) { - count++; - if ((flags & ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT) && - (ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT)) - length += 8; /* "default:" */ - length += 5; /* tag name */ - length += 1; /* colon */ - wname = aes_get_wcs(&ap->name); - if (wname != NULL) - length += wcslen(wname); - else - length += sizeof(uid_t) * 3 + 1; - length ++; /* colon */ - length += 3; /* rwx */ - length += 1; /* colon */ - length += max(sizeof(uid_t), sizeof(gid_t)) * 3 + 1; - length ++; /* newline */ - } - ap = ap->next; - } - - if (count > 0 && ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0)) { - length += 10; /* "user::rwx\n" */ - length += 11; /* "group::rwx\n" */ - length += 11; /* "other::rwx\n" */ - } - - if (count == 0) - return (NULL); - - /* Now, allocate the string and actually populate it. */ - wp = entry->acl_text_w = (wchar_t *)malloc(length * sizeof(wchar_t)); - if (wp == NULL) - __archive_errx(1, "No memory to generate the text version of the ACL"); - count = 0; - if ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) { - append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_USER_OBJ, NULL, - entry->ae_stat.aest_mode & 0700, -1); - *wp++ = ','; - append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_GROUP_OBJ, NULL, - entry->ae_stat.aest_mode & 0070, -1); - *wp++ = ','; - append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_OTHER, NULL, - entry->ae_stat.aest_mode & 0007, -1); - count += 3; - - ap = entry->acl_head; - while (ap != NULL) { - if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) { - wname = aes_get_wcs(&ap->name); - *wp++ = separator; - if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID) - id = ap->id; - else - id = -1; - append_entry_w(&wp, NULL, ap->tag, wname, - ap->permset, id); - count++; - } - ap = ap->next; - } - } - - - if ((flags & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) { - if (flags & ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT) - prefix = L"default:"; - else - prefix = NULL; - ap = entry->acl_head; - count = 0; - while (ap != NULL) { - if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) { - wname = aes_get_wcs(&ap->name); - if (count > 0) - *wp++ = separator; - if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID) - id = ap->id; - else - id = -1; - append_entry_w(&wp, prefix, ap->tag, - wname, ap->permset, id); - count ++; - } - ap = ap->next; - } - } - - return (entry->acl_text_w); -} - -static void -append_id_w(wchar_t **wp, int id) -{ - if (id < 0) - id = 0; - if (id > 9) - append_id_w(wp, id / 10); - *(*wp)++ = L"0123456789"[id % 10]; -} - -static void -append_entry_w(wchar_t **wp, const wchar_t *prefix, int tag, - const wchar_t *wname, int perm, int id) -{ - if (prefix != NULL) { - wcscpy(*wp, prefix); - *wp += wcslen(*wp); - } - switch (tag) { - case ARCHIVE_ENTRY_ACL_USER_OBJ: - wname = NULL; - id = -1; - /* FALLTHROUGH */ - case ARCHIVE_ENTRY_ACL_USER: - wcscpy(*wp, L"user"); - break; - case ARCHIVE_ENTRY_ACL_GROUP_OBJ: - wname = NULL; - id = -1; - /* FALLTHROUGH */ - case ARCHIVE_ENTRY_ACL_GROUP: - wcscpy(*wp, L"group"); - break; - case ARCHIVE_ENTRY_ACL_MASK: - wcscpy(*wp, L"mask"); - wname = NULL; - id = -1; - break; - case ARCHIVE_ENTRY_ACL_OTHER: - wcscpy(*wp, L"other"); - wname = NULL; - id = -1; - break; - } - *wp += wcslen(*wp); - *(*wp)++ = L':'; - if (wname != NULL) { - wcscpy(*wp, wname); - *wp += wcslen(*wp); - } else if (tag == ARCHIVE_ENTRY_ACL_USER - || tag == ARCHIVE_ENTRY_ACL_GROUP) { - append_id_w(wp, id); - id = -1; - } - *(*wp)++ = L':'; - *(*wp)++ = (perm & 0444) ? L'r' : L'-'; - *(*wp)++ = (perm & 0222) ? L'w' : L'-'; - *(*wp)++ = (perm & 0111) ? L'x' : L'-'; - if (id != -1) { - *(*wp)++ = L':'; - append_id_w(wp, id); - } - **wp = L'\0'; -} - -/* - * Parse a textual ACL. This automatically recognizes and supports - * extensions described above. The 'type' argument is used to - * indicate the type that should be used for any entries not - * explicitly marked as "default:". - */ -int -__archive_entry_acl_parse_w(struct archive_entry *entry, - const wchar_t *text, int default_type) -{ - struct { - const wchar_t *start; - const wchar_t *end; - } field[4], name; - - int fields, n; - int type, tag, permset, id; - wchar_t sep; - - while (text != NULL && *text != L'\0') { - /* - * Parse the fields out of the next entry, - * advance 'text' to start of next entry. - */ - fields = 0; - do { - const wchar_t *start, *end; - next_field_w(&text, &start, &end, &sep); - if (fields < 4) { - field[fields].start = start; - field[fields].end = end; - } - ++fields; - } while (sep == L':'); - - /* Set remaining fields to blank. */ - for (n = fields; n < 4; ++n) - field[n].start = field[n].end = NULL; - - /* Check for a numeric ID in field 1 or 3. */ - id = -1; - isint_w(field[1].start, field[1].end, &id); - /* Field 3 is optional. */ - if (id == -1 && fields > 3) - isint_w(field[3].start, field[3].end, &id); - - /* - * Solaris extension: "defaultuser::rwx" is the - * default ACL corresponding to "user::rwx", etc. - */ - if (field[0].end - field[0].start > 7 - && wmemcmp(field[0].start, L"default", 7) == 0) { - type = ARCHIVE_ENTRY_ACL_TYPE_DEFAULT; - field[0].start += 7; - } else - type = default_type; - - name.start = name.end = NULL; - if (prefix_w(field[0].start, field[0].end, L"user")) { - if (!ismode_w(field[2].start, field[2].end, &permset)) - return (ARCHIVE_WARN); - if (id != -1 || field[1].start < field[1].end) { - tag = ARCHIVE_ENTRY_ACL_USER; - name = field[1]; - } else - tag = ARCHIVE_ENTRY_ACL_USER_OBJ; - } else if (prefix_w(field[0].start, field[0].end, L"group")) { - if (!ismode_w(field[2].start, field[2].end, &permset)) - return (ARCHIVE_WARN); - if (id != -1 || field[1].start < field[1].end) { - tag = ARCHIVE_ENTRY_ACL_GROUP; - name = field[1]; - } else - tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ; - } else if (prefix_w(field[0].start, field[0].end, L"other")) { - if (fields == 2 - && field[1].start < field[1].end - && ismode_w(field[1].start, field[1].end, &permset)) { - /* This is Solaris-style "other:rwx" */ - } else if (fields == 3 - && field[1].start == field[1].end - && field[2].start < field[2].end - && ismode_w(field[2].start, field[2].end, &permset)) { - /* This is FreeBSD-style "other::rwx" */ - } else - return (ARCHIVE_WARN); - tag = ARCHIVE_ENTRY_ACL_OTHER; - } else if (prefix_w(field[0].start, field[0].end, L"mask")) { - if (fields == 2 - && field[1].start < field[1].end - && ismode_w(field[1].start, field[1].end, &permset)) { - /* This is Solaris-style "mask:rwx" */ - } else if (fields == 3 - && field[1].start == field[1].end - && field[2].start < field[2].end - && ismode_w(field[2].start, field[2].end, &permset)) { - /* This is FreeBSD-style "mask::rwx" */ - } else - return (ARCHIVE_WARN); - tag = ARCHIVE_ENTRY_ACL_MASK; - } else - return (ARCHIVE_WARN); - - /* Add entry to the internal list. */ - archive_entry_acl_add_entry_w_len(entry, type, permset, - tag, id, name.start, name.end - name.start); - } - return (ARCHIVE_OK); -} - -/* - * Parse a string to a positive decimal integer. Returns true if - * the string is non-empty and consists only of decimal digits, - * false otherwise. - */ -static int -isint_w(const wchar_t *start, const wchar_t *end, int *result) -{ - int n = 0; - if (start >= end) - return (0); - while (start < end) { - if (*start < '0' || *start > '9') - return (0); - if (n > (INT_MAX / 10)) - n = INT_MAX; - else { - n *= 10; - n += *start - '0'; - } - start++; - } - *result = n; - return (1); -} - -/* - * Parse a string as a mode field. Returns true if - * the string is non-empty and consists only of mode characters, - * false otherwise. - */ -static int -ismode_w(const wchar_t *start, const wchar_t *end, int *permset) -{ - const wchar_t *p; - - if (start >= end) - return (0); - p = start; - *permset = 0; - while (p < end) { - switch (*p++) { - case 'r': case 'R': - *permset |= ARCHIVE_ENTRY_ACL_READ; - break; - case 'w': case 'W': - *permset |= ARCHIVE_ENTRY_ACL_WRITE; - break; - case 'x': case 'X': - *permset |= ARCHIVE_ENTRY_ACL_EXECUTE; - break; - case '-': - break; - default: - return (0); - } - } - return (1); -} - -/* - * Match "[:whitespace:]*(.*)[:whitespace:]*[:,\n]". *wp is updated - * to point to just after the separator. *start points to the first - * character of the matched text and *end just after the last - * character of the matched identifier. In particular *end - *start - * is the length of the field body, not including leading or trailing - * whitespace. - */ -static void -next_field_w(const wchar_t **wp, const wchar_t **start, - const wchar_t **end, wchar_t *sep) -{ - /* Skip leading whitespace to find start of field. */ - while (**wp == L' ' || **wp == L'\t' || **wp == L'\n') { - (*wp)++; - } - *start = *wp; - - /* Scan for the separator. */ - while (**wp != L'\0' && **wp != L',' && **wp != L':' && - **wp != L'\n') { - (*wp)++; - } - *sep = **wp; - - /* Trim trailing whitespace to locate end of field. */ - *end = *wp - 1; - while (**end == L' ' || **end == L'\t' || **end == L'\n') { - (*end)--; - } - (*end)++; - - /* Adjust scanner location. */ - if (**wp != L'\0') - (*wp)++; -} - -/* - * Return true if the characters [start...end) are a prefix of 'test'. - * This makes it easy to handle the obvious abbreviations: 'u' for 'user', etc. - */ -static int -prefix_w(const wchar_t *start, const wchar_t *end, const wchar_t *test) -{ - if (start == end) - return (0); - - if (*start++ != *test++) - return (0); - - while (start < end && *start++ == *test++) - ; - - if (start < end) - return (0); - - return (1); -} - - -/* - * Following code is modified from UC Berkeley sources, and - * is subject to the following copyright notice. - */ - -/*- - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -static struct flag { - const char *name; - const wchar_t *wname; - unsigned long set; - unsigned long clear; -} flags[] = { - /* Preferred (shorter) names per flag first, all prefixed by "no" */ -#ifdef SF_APPEND - { "nosappnd", L"nosappnd", SF_APPEND, 0 }, - { "nosappend", L"nosappend", SF_APPEND, 0 }, -#endif -#ifdef EXT2_APPEND_FL /* 'a' */ - { "nosappnd", L"nosappnd", EXT2_APPEND_FL, 0 }, - { "nosappend", L"nosappend", EXT2_APPEND_FL, 0 }, -#endif -#ifdef SF_ARCHIVED - { "noarch", L"noarch", SF_ARCHIVED, 0 }, - { "noarchived", L"noarchived", SF_ARCHIVED, 0 }, -#endif -#ifdef SF_IMMUTABLE - { "noschg", L"noschg", SF_IMMUTABLE, 0 }, - { "noschange", L"noschange", SF_IMMUTABLE, 0 }, - { "nosimmutable", L"nosimmutable", SF_IMMUTABLE, 0 }, -#endif -#ifdef EXT2_IMMUTABLE_FL /* 'i' */ - { "noschg", L"noschg", EXT2_IMMUTABLE_FL, 0 }, - { "noschange", L"noschange", EXT2_IMMUTABLE_FL, 0 }, - { "nosimmutable", L"nosimmutable", EXT2_IMMUTABLE_FL, 0 }, -#endif -#ifdef SF_NOUNLINK - { "nosunlnk", L"nosunlnk", SF_NOUNLINK, 0 }, - { "nosunlink", L"nosunlink", SF_NOUNLINK, 0 }, -#endif -#ifdef SF_SNAPSHOT - { "nosnapshot", L"nosnapshot", SF_SNAPSHOT, 0 }, -#endif -#ifdef UF_APPEND - { "nouappnd", L"nouappnd", UF_APPEND, 0 }, - { "nouappend", L"nouappend", UF_APPEND, 0 }, -#endif -#ifdef UF_IMMUTABLE - { "nouchg", L"nouchg", UF_IMMUTABLE, 0 }, - { "nouchange", L"nouchange", UF_IMMUTABLE, 0 }, - { "nouimmutable", L"nouimmutable", UF_IMMUTABLE, 0 }, -#endif -#ifdef UF_NODUMP - { "nodump", L"nodump", 0, UF_NODUMP}, -#endif -#ifdef EXT2_NODUMP_FL /* 'd' */ - { "nodump", L"nodump", 0, EXT2_NODUMP_FL}, -#endif -#ifdef UF_OPAQUE - { "noopaque", L"noopaque", UF_OPAQUE, 0 }, -#endif -#ifdef UF_NOUNLINK - { "nouunlnk", L"nouunlnk", UF_NOUNLINK, 0 }, - { "nouunlink", L"nouunlink", UF_NOUNLINK, 0 }, -#endif -#ifdef EXT2_UNRM_FL - { "nouunlink", L"nouunlink", EXT2_UNRM_FL, 0}, -#endif - -#ifdef EXT2_BTREE_FL - { "nobtree", L"nobtree", EXT2_BTREE_FL, 0 }, -#endif - -#ifdef EXT2_ECOMPR_FL - { "nocomperr", L"nocomperr", EXT2_ECOMPR_FL, 0 }, -#endif - -#ifdef EXT2_COMPR_FL /* 'c' */ - { "nocompress", L"nocompress", EXT2_COMPR_FL, 0 }, -#endif - -#ifdef EXT2_NOATIME_FL /* 'A' */ - { "noatime", L"noatime", 0, EXT2_NOATIME_FL}, -#endif - -#ifdef EXT2_DIRTY_FL - { "nocompdirty",L"nocompdirty", EXT2_DIRTY_FL, 0}, -#endif - -#ifdef EXT2_COMPRBLK_FL -#ifdef EXT2_NOCOMPR_FL - { "nocomprblk", L"nocomprblk", EXT2_COMPRBLK_FL, EXT2_NOCOMPR_FL}, -#else - { "nocomprblk", L"nocomprblk", EXT2_COMPRBLK_FL, 0}, -#endif -#endif -#ifdef EXT2_DIRSYNC_FL - { "nodirsync", L"nodirsync", EXT2_DIRSYNC_FL, 0}, -#endif -#ifdef EXT2_INDEX_FL - { "nohashidx", L"nohashidx", EXT2_INDEX_FL, 0}, -#endif -#ifdef EXT2_IMAGIC_FL - { "noimagic", L"noimagic", EXT2_IMAGIC_FL, 0}, -#endif -#ifdef EXT3_JOURNAL_DATA_FL - { "nojournal", L"nojournal", EXT3_JOURNAL_DATA_FL, 0}, -#endif -#ifdef EXT2_SECRM_FL - { "nosecuredeletion",L"nosecuredeletion",EXT2_SECRM_FL, 0}, -#endif -#ifdef EXT2_SYNC_FL - { "nosync", L"nosync", EXT2_SYNC_FL, 0}, -#endif -#ifdef EXT2_NOTAIL_FL - { "notail", L"notail", 0, EXT2_NOTAIL_FL}, -#endif -#ifdef EXT2_TOPDIR_FL - { "notopdir", L"notopdir", EXT2_TOPDIR_FL, 0}, -#endif -#ifdef EXT2_RESERVED_FL - { "noreserved", L"noreserved", EXT2_RESERVED_FL, 0}, -#endif - - { NULL, NULL, 0, 0 } -}; - -/* - * fflagstostr -- - * Convert file flags to a comma-separated string. If no flags - * are set, return the empty string. - */ -static char * -ae_fflagstostr(unsigned long bitset, unsigned long bitclear) -{ - char *string, *dp; - const char *sp; - unsigned long bits; - struct flag *flag; - size_t length; - - bits = bitset | bitclear; - length = 0; - for (flag = flags; flag->name != NULL; flag++) - if (bits & (flag->set | flag->clear)) { - length += strlen(flag->name) + 1; - bits &= ~(flag->set | flag->clear); - } - - if (length == 0) - return (NULL); - string = (char *)malloc(length); - if (string == NULL) - return (NULL); - - dp = string; - for (flag = flags; flag->name != NULL; flag++) { - if (bitset & flag->set || bitclear & flag->clear) { - sp = flag->name + 2; - } else if (bitset & flag->clear || bitclear & flag->set) { - sp = flag->name; - } else - continue; - bitset &= ~(flag->set | flag->clear); - bitclear &= ~(flag->set | flag->clear); - if (dp > string) - *dp++ = ','; - while ((*dp++ = *sp++) != '\0') - ; - dp--; - } - - *dp = '\0'; - return (string); -} - -/* - * strtofflags -- - * Take string of arguments and return file flags. This - * version works a little differently than strtofflags(3). - * In particular, it always tests every token, skipping any - * unrecognized tokens. It returns a pointer to the first - * unrecognized token, or NULL if every token was recognized. - * This version is also const-correct and does not modify the - * provided string. - */ -static const char * -ae_strtofflags(const char *s, unsigned long *setp, unsigned long *clrp) -{ - const char *start, *end; - struct flag *flag; - unsigned long set, clear; - const char *failed; - - set = clear = 0; - start = s; - failed = NULL; - /* Find start of first token. */ - while (*start == '\t' || *start == ' ' || *start == ',') - start++; - while (*start != '\0') { - /* Locate end of token. */ - end = start; - while (*end != '\0' && *end != '\t' && - *end != ' ' && *end != ',') - end++; - for (flag = flags; flag->name != NULL; flag++) { - if (memcmp(start, flag->name, end - start) == 0) { - /* Matched "noXXXX", so reverse the sense. */ - clear |= flag->set; - set |= flag->clear; - break; - } else if (memcmp(start, flag->name + 2, end - start) - == 0) { - /* Matched "XXXX", so don't reverse. */ - set |= flag->set; - clear |= flag->clear; - break; - } - } - /* Ignore unknown flag names. */ - if (flag->name == NULL && failed == NULL) - failed = start; - - /* Find start of next token. */ - start = end; - while (*start == '\t' || *start == ' ' || *start == ',') - start++; - - } - - if (setp) - *setp = set; - if (clrp) - *clrp = clear; - - /* Return location of first failure. */ - return (failed); -} - -/* - * wcstofflags -- - * Take string of arguments and return file flags. This - * version works a little differently than strtofflags(3). - * In particular, it always tests every token, skipping any - * unrecognized tokens. It returns a pointer to the first - * unrecognized token, or NULL if every token was recognized. - * This version is also const-correct and does not modify the - * provided string. - */ -static const wchar_t * -ae_wcstofflags(const wchar_t *s, unsigned long *setp, unsigned long *clrp) -{ - const wchar_t *start, *end; - struct flag *flag; - unsigned long set, clear; - const wchar_t *failed; - - set = clear = 0; - start = s; - failed = NULL; - /* Find start of first token. */ - while (*start == L'\t' || *start == L' ' || *start == L',') - start++; - while (*start != L'\0') { - /* Locate end of token. */ - end = start; - while (*end != L'\0' && *end != L'\t' && - *end != L' ' && *end != L',') - end++; - for (flag = flags; flag->wname != NULL; flag++) { - if (wmemcmp(start, flag->wname, end - start) == 0) { - /* Matched "noXXXX", so reverse the sense. */ - clear |= flag->set; - set |= flag->clear; - break; - } else if (wmemcmp(start, flag->wname + 2, end - start) - == 0) { - /* Matched "XXXX", so don't reverse. */ - set |= flag->set; - clear |= flag->clear; - break; - } - } - /* Ignore unknown flag names. */ - if (flag->wname == NULL && failed == NULL) - failed = start; - - /* Find start of next token. */ - start = end; - while (*start == L'\t' || *start == L' ' || *start == L',') - start++; - - } - - if (setp) - *setp = set; - if (clrp) - *clrp = clear; - - /* Return location of first failure. */ - return (failed); -} - - -#ifdef TEST -#include <stdio.h> -int -main(int argc, char **argv) -{ - struct archive_entry *entry = archive_entry_new(); - unsigned long set, clear; - const wchar_t *remainder; - - remainder = archive_entry_copy_fflags_text_w(entry, L"nosappnd dump archive,,,,,,,"); - archive_entry_fflags(entry, &set, &clear); - - wprintf(L"set=0x%lX clear=0x%lX remainder='%ls'\n", set, clear, remainder); - - wprintf(L"new flags='%s'\n", archive_entry_fflags_text(entry)); - return (0); -} -#endif |
