/* Support for extended attributes.
- Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software
- Foundation, Inc.
+ Copyright (C) 2006-2014 Free Software Foundation, Inc.
- Written by James Antill, on 2006-07-27.
+ This file is part of GNU tar.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any later
- version.
+ GNU tar is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- Public License for more details.
+ GNU tar is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ Written by James Antill, on 2006-07-27. */
#include <config.h>
#include <system.h>
#ifdef HAVE_POSIX_ACLS
/* acl-at wrappers, TODO: move to gnulib in future? */
-acl_t acl_get_file_at (int dirfd, const char *file, acl_type_t type);
-int acl_set_file_at (int dirfd, const char *file, acl_type_t type, acl_t acl);
-int file_has_acl_at (int dirfd, char const *, struct stat const *);
+static acl_t acl_get_file_at (int, const char *, acl_type_t);
+static int acl_set_file_at (int, const char *, acl_type_t, acl_t);
+static int file_has_acl_at (int, char const *, struct stat const *);
+static int acl_delete_def_file_at (int, char const *);
/* acl_get_file_at */
#define AT_FUNC_NAME acl_get_file_at
#undef AT_FUNC_POST_FILE_PARAM_DECLS
#undef AT_FUNC_POST_FILE_ARGS
+/* acl_delete_def_file_at */
+#define AT_FUNC_NAME acl_delete_def_file_at
+#define AT_FUNC_F1 acl_delete_def_file
+#define AT_FUNC_POST_FILE_PARAM_DECLS
+#define AT_FUNC_POST_FILE_ARGS
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
/* gnulib file_has_acl_at */
#define AT_FUNC_NAME file_has_acl_at
#define AT_FUNC_F1 file_has_acl
return ptr;
}
-/* "system.posix_acl_access" */
+/* Set the "system.posix_acl_access/system.posix_acl_default" extended
+ attribute. Called only when acls_option > 0. */
static void
xattrs__acls_set (struct tar_stat_info const *st,
char const *file_name, int type,
{
/* assert (strlen (ptr) == len); */
ptr = fixup_extra_acl_fields (ptr);
-
acl = acl_from_text (ptr);
- acls_option = 1;
}
- else if (acls_option > 0)
- acl = perms2acl (st->stat.st_mode);
+ else if (def)
+ {
+ /* No "default" IEEE 1003.1e ACL set for directory. At this moment,
+ FILE_NAME may already have inherited default acls from parent
+ directory; clean them up. */
+ if (acl_delete_def_file_at (chdir_fd, file_name))
+ WARNOPT (WARN_XATTR_WRITE,
+ (0, errno,
+ _("acl_delete_def_file_at: Cannot drop default POSIX ACLs "
+ "for file '%s'"),
+ file_name));
+ return;
+ }
else
- return; /* don't call acl functions unless we first hit an ACL, or
- --acls was passed explicitly */
+ acl = perms2acl (st->stat.st_mode);
if (!acl)
{
}
}
+#ifdef HAVE_XATTRS
static void
xattrs__fd_set (struct tar_stat_info const *st,
char const *file_name, char typeflag,
sysname, attr, file_name));
}
}
+#endif
/* lgetfileconat is called against FILE_NAME iff the FD parameter is set to
zero, otherwise the fgetfileconat is used against correct file descriptor */
if (selinux_context_option > 0 && st->cntx_name)
*output = '.';
- if (acls_option && (st->acls_a_len || st->acls_d_len))
+ if (acls_option > 0 && (st->acls_a_len || st->acls_d_len))
*output = '+';
}
return;
/* selinux */
- if (selinux_context_option && st->cntx_name)
+ if (selinux_context_option > 0 && st->cntx_name)
fprintf (stdlis, " s: %s\n", st->cntx_name);
/* acls */
- if (acls_option && (st->acls_a_len || st->acls_d_len))
+ if (acls_option > 0 && (st->acls_a_len || st->acls_d_len))
{
fprintf (stdlis, " a: ");
acls_one_line ("", ',', st->acls_a_ptr, st->acls_a_len);
}
/* xattrs */
- if (xattrs_option && st->xattr_map_size)
+ if (xattrs_option > 0 && st->xattr_map_size)
{
int i;