diff options
| author | Pavel Raiskup <praiskup@redhat.com> | 2012-11-18 20:54:02 +0200 |
|---|---|---|
| committer | Sergey Poznyakoff <gray@gnu.org.ua> | 2012-11-18 20:54:02 +0200 |
| commit | d36f5a3cc3280d6c4a58367bf51b527d5c14ac04 (patch) | |
| tree | 31723195f1ce8f46eca9f21c7d675cd2cab5c8b8 /configure.ac | |
| parent | 696338043e52f440853e1143c52b81b41cd59723 (diff) | |
| download | tar-d36f5a3cc3280d6c4a58367bf51b527d5c14ac04.tar.gz | |
Support for POSIX ACLs
* configure.ac: Check whether ACLs are available on the
host system.
* gnulib.modules: Add acl
* src/create.c (start_header): Store ACLs when creating
a POSIX archive.
(dump_file0): Handle ACLs.
* src/extract.c (delayed_set_stat) <acls_a_ptr, acls_a_len>
<acls_d_ptr, acls_d_len>: New members.
(delayed_link): Likewise.
(set_stat,delay_set_stat)
(apply_nonancestor_delayed_set_stat): Set ACLs.
* src/tar.c: New options: "--acls", "--no-acls"
(tar_stat_destroy): Free acls_a_ptr and acls_d_ptr fields.
* src/tar.h (tar_stat_info) <acls_a_ptr, acls_a_len>
<acls_d_ptr, acls_d_len>: New members.
* src/xattrs.c (xattrs_acls_get, xattrs_acls_set): New functions.
* src/xheader.c: Support new keywors: "SCHILY.acl.access" and
"SCHILY.acl.default".
* tests/Makefile.am: Add new tests.
* tests/testsuite.at: Likewise.
* tests/acls01.at: New test.
* tests/acls02.at: New test.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 77976be5..3e501a82 100644 --- a/configure.ac +++ b/configure.ac @@ -93,6 +93,26 @@ tar_PAXUTILS TAR_HEADERS_ATTR_XATTR_H AC_CHECK_FUNCS_ONCE([fchmod fchown fsync lstat mkfifo readlink symlink]) + +# we use gnulib's acl.h - because of very useful file_has_acl() function. M4 +# file from gnulib/acl does a quite good job of course. The problem is that +# this function works on wide list of platforms and we need to restrict tar to +# use POSIX.1e ACLs only. +AC_ARG_WITH([posix-acls], + AS_HELP_STRING([--without-posix-acls], + [do not use POSIX.1e access control lists]), + [with_posix_acls=no]) +AC_CHECK_HEADERS(sys/acl.h,, [with_posix_acl=no]) +AC_SEARCH_LIBS([acl_get_file], [acl pacl],, [with_posix_acl=no]) +AC_SEARCH_LIBS([acl_get_fd], [acl pacl],, [with_posix_acl=no]) +AC_SEARCH_LIBS([acl_set_file], [acl pacl],, [with_posix_acl=no]) +AC_SEARCH_LIBS([acl_set_fd], [acl pacl],, [with_posix_acl=no]) +AC_SEARCH_LIBS([acl_to_text], [acl pacl],, [with_posix_acl=no]) +AC_SEARCH_LIBS([acl_from_text], [acl pacl],, [with_posix_acl=no]) +if test "x$with_posix_acls" != xno; then + AC_DEFINE(HAVE_POSIX_ACLS,,[Define when we have working POSIX acls]) +fi + AC_CHECK_DECLS([getgrgid],,, [#include <grp.h>]) AC_CHECK_DECLS([getpwuid],,, [#include <pwd.h>]) AC_CHECK_DECLS([time],,, [#include <time.h>]) |