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authorNiels de Vos <ndevos@redhat.com>2015-02-10 19:13:35 +0100
committerRaghavendra Bhat <raghavendra@redhat.com>2015-03-09 13:53:00 -0700
commit72dc1025dc17a650f3838223c78e3205132deba9 (patch)
tree077be9e3b9113489b970a055d0b5bda0c9d643ad /configure.ac
parent7d3f27d4c9421c976eec3a39004e84bad20586d7 (diff)
posix: add ACL translation for the GF_POSIX_ACL_*_KEY xattr
Adding support for two virtual extended attributes that are used for converting a binary POSIX ACL to a POSIX.1e long ACL text format. This makes it possible to transfer the ACL over the network to a different OS which can convert the POSIX.1e text format to its native structures. The following xattrs are sent over RPC in SETXATTR/GETXATTR procedures, and contain the POSIX.1e long ACL text format: - glusterfs.posix.acl: maps to ACL_TYPE_ACCESS - glusterfs.posix.default_acl: maps to ACL_TYPE_DEFAULT acl_from_text() (from libacl) converts the text format into an acl_t structure. This structure is then used by acl_set_file() to set the ACL in the filesystem. libacl-devel is needed for linking against libacl, so it has been added to the BuildRequires in the .spec. NetBSD does not support POSIX ACLs. Trying to get/set POSIX ACLs on a storage server running NetBSD, an error will be returned with errno set to ENOTSUP. Faking support, but not enforcing ACLs seems wrong to me. URL: http://www.gluster.org/community/documentation/index.php/Features/Improved_POSIX_ACLs BUG: 1185654 Change-Id: Ic5eb73d69190d3492df2f711d0436775eeea7de3 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/9627 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: soumya k <skoduri@redhat.com> Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac37
1 files changed, 37 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 2c3b0e3..db51080 100644
--- a/configure.ac
+++ b/configure.ac
@@ -356,6 +356,39 @@ AC_CHECK_HEADERS([sys/ioctl.h], AC_DEFINE(HAVE_IOCTL_IN_SYS_IOCTL_H, 1, [have sy
AC_CHECK_HEADERS([sys/extattr.h])
+dnl NetBSD does not support POSIX ACLs :-(
+case $host_os in
+ *netbsd*)
+ AC_MSG_WARN([NetBSD does not support POSIX ACLs... disabling them])
+ ACL_LIBS=''
+ USE_POSIX_ACLS='0'
+ ;;
+ *)
+ AC_CHECK_HEADERS([sys/acl.h], ,
+ AC_MSG_ERROR([Support for POSIX ACLs is required]))
+ USE_POSIX_ACLS='1'
+ case $host_os in
+ linux*)
+ ACL_LIBS='-lacl'
+ ;;
+ solaris*)
+ ACL_LIBS='-lsec'
+ ;;
+ *freebsd*)
+ ACL_LIBS='-lc'
+ ;;
+ darwin*)
+ ACL_LIBS='-lc'
+ ;;
+ esac
+ if test "x${ACL_LIBS}" = "x-lacl"; then
+ AC_CHECK_HEADERS([acl/libacl.h], , AC_MSG_ERROR([libacl is required for building on ${host_os}]))
+ fi
+ ;;
+esac
+AC_SUBST(ACL_LIBS)
+AC_SUBST(USE_POSIX_ACLS)
+
# libglusterfs/checksum
AC_CHECK_HEADERS([openssl/md5.h])
AC_CHECK_LIB([z], [adler32], [ZLIB_LIBS="-lz"], AC_MSG_ERROR([zlib is required to build glusterfs]))
@@ -1167,6 +1200,9 @@ AC_SUBST(LIBGFCHANGELOG_LT_VERSION)
AC_SUBST(GFAPI_LT_VERSION)
AC_SUBST(GFAPI_EXTRA_LDFLAGS)
+GFAPI_LIBS="${ACL_LIBS}"
+AC_SUBST(GFAPI_LIBS)
+
dnl this change necessary for run-tests.sh
AC_CONFIG_FILES([tests/env.rc],[ln -s ${ac_abs_builddir}/env.rc ${ac_abs_srcdir}/env.rc 2>/dev/null])
@@ -1192,4 +1228,5 @@ echo "XML output : $BUILD_XML_OUTPUT"
echo "QEMU Block formats : $BUILD_QEMU_BLOCK"
echo "Encryption xlator : $BUILD_CRYPT_XLATOR"
echo "Unit Tests : $BUILD_UNITTEST"
+echo "POSIX ACLs : $USE_POSIX_ACLS"
echo