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A strict interpretation of the ustar format requires the type flag to be

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interpreted, we cannot depend on the file type being set in the mode
field.
This commit is contained in:
Glenn L McGrath 2004-02-20 02:25:18 +00:00
parent b0e163a93b
commit c9f1fce9bb
1 changed files with 8 additions and 11 deletions
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19
archival/libunarchive/get_header_tar.c
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@ -13,9 +13,9 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* FIXME: Better checking required in oldcompatability mode,
* the file db.1.85.tar.gz from sleepycat.com has trailing garbage
* GNU tar can handle it, busybox tar reports invalid tar header.
* FIXME:
* In privelidged mode if uname and gname map to a uid amd gid then use the
* mapped value instead of the uid/gid values in tar header
*
* References:
* GNU tar and star man pages,
@ -135,14 +135,16 @@ extern char get_header_tar(archive_handle_t *archive_handle)
case 'g':
bb_error_msg_and_die("pax is not tar");
break;
#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
case '7':
/* Reserved for high performance files, treat as normal file */
case 0:
case '0':
#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
if (last_char_is(file_header->name, '/')) {
file_header->mode |= S_IFDIR;
} else {
} else
#endif
file_header->mode |= S_IFREG;
}
break;
case '2':
file_header->mode |= S_IFLNK;
@ -159,11 +161,6 @@ extern char get_header_tar(archive_handle_t *archive_handle)
case '6':
file_header->mode |= S_IFIFO;
break;
case '7':
/* Reserved for high performance files, treat as normal file */
file_header->mode |= S_IFREG;
break;
#endif
#ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
case 'L': {
longname = xmalloc(file_header->size + 1);