Autoconf selinux support

If libselinux is detected on your system at configure time link
against it.  This allows us to use a library call to detect if
selinux is enabled and if it is to pass the mount option:

  "context=\"system_u:object_r:file_t:s0"

For now this is required because none of the existing selinux
policies are aware of the zfs filesystem type.  Because of this
they do not properly enable xattr based labeling even though
zfs supports all of the required hooks.

Until distro's add zfs as a known xattr friendly fs type we
must use mntpoint labeling.  Alternately, end users could modify
their existing selinux policy with a little guidance.
This commit is contained in:
Brian Behlendorf
2010-12-16 14:26:08 -08:00
parent 95c73795b0
commit b3259b6a2b
49 changed files with 678 additions and 16 deletions
+2
View File
@@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -178,6 +179,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -190,6 +191,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -190,6 +191,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -191,6 +192,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -241,6 +242,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -139,6 +140,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -143,6 +144,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -143,6 +144,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -203,6 +204,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -178,6 +179,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -165,6 +166,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -165,6 +166,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -203,6 +204,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -165,6 +166,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -165,6 +166,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -165,6 +166,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -190,6 +191,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -192,6 +193,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
+1 -1
View File
@@ -6,7 +6,7 @@ DEFAULT_INCLUDES += \
lib_LTLIBRARIES = libzfs.la
libzfs_la_LDFLAGS = -lm
libzfs_la_LDFLAGS = -lm $(LIBSELINUX)
libzfs_la_LIBADD = \
$(top_builddir)/lib/libefi/libefi.la \
+3 -1
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -197,6 +198,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@
@@ -314,7 +316,7 @@ AM_CFLAGS = -Wall -Wstrict-prototypes -fno-strict-aliasing \
-D_POSIX_PTHREAD_SEMANTICS -D_FILE_OFFSET_BITS=64 \
-D_LARGEFILE64_SOURCE -DTEXT_DOMAIN=\"zfs-linux-user\"
lib_LTLIBRARIES = libzfs.la
libzfs_la_LDFLAGS = -lm
libzfs_la_LDFLAGS = -lm $(LIBSELINUX)
libzfs_la_LIBADD = \
$(top_builddir)/lib/libefi/libefi.la \
$(top_builddir)/lib/libuutil/libuutil.la
+9
View File
@@ -72,6 +72,9 @@
#include <sys/mntent.h>
#include <sys/mount.h>
#include <sys/stat.h>
#ifdef HAVE_LIBSELINUX
#include <selinux/selinux.h>
#endif /* HAVE_LIBSELINUX */
#include <libzfs.h>
@@ -277,6 +280,12 @@ zfs_mount(zfs_handle_t *zhp, const char *options, int flags)
if (zpool_get_prop_int(zhp->zpool_hdl, ZPOOL_PROP_READONLY, NULL))
flags |= MS_RDONLY;
#ifdef HAVE_LIBSELINUX
if (is_selinux_enabled())
(void) strlcat(mntopts, ",context=\"system_u:"
"object_r:file_t:s0\"", sizeof (mntopts));
#endif /* HAVE_LIBSELINUX */
if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL))
return (0);
+2
View File
@@ -67,6 +67,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/user-libshare.m4 \
$(top_srcdir)/config/user-libuuid.m4 \
$(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
$(top_srcdir)/config/user-selinux.m4 \
$(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
$(top_srcdir)/config/zfs-build.m4 \
$(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
@@ -211,6 +212,7 @@ LDFLAGS = @LDFLAGS@
LIBBLKID = @LIBBLKID@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBSELINUX = @LIBSELINUX@
LIBTOOL = @LIBTOOL@
LIBUUID = @LIBUUID@
LINUX = @LINUX@