virtio-9p: Make infrastructure for the new security model.
This patch adds required infrastructure for the new security model.
- A new configure option for attr/xattr.
- if CONFIG_VIRTFS will be defined if both CONFIG_LINUX and CONFIG_ATTR defined.
- Defines routines related to both security models.
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/configure b/configure
index c0d8aa5..5699f4d 100755
--- a/configure
+++ b/configure
@@ -270,6 +270,7 @@
vnc_sasl=""
xen=""
linux_aio=""
+attr=""
vhost_net=""
gprof="no"
@@ -671,6 +672,10 @@
;;
--enable-linux-aio) linux_aio="yes"
;;
+ --disable-attr) attr="no"
+ ;;
+ --enable-attr) attr="yes"
+ ;;
--enable-io-thread) io_thread="yes"
;;
--disable-blobs) blobs="no"
@@ -858,6 +863,8 @@
echo " --enable-vde enable support for vde network"
echo " --disable-linux-aio disable Linux AIO support"
echo " --enable-linux-aio enable Linux AIO support"
+echo " --disable-attr disables attr and xattr support"
+echo " --enable-attr enable attr and xattr support"
echo " --enable-io-thread enable IO thread"
echo " --disable-blobs disable installing provided firmware blobs"
echo " --kerneldir=PATH look for kernel includes in PATH"
@@ -1646,6 +1653,27 @@
fi
##########################################
+# attr probe
+
+if test "$attr" != "no" ; then
+ cat > $TMPC <<EOF
+#include <stdio.h>
+#include <sys/types.h>
+#include <attr/xattr.h>
+int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
+EOF
+ if compile_prog "" "-lattr" ; then
+ attr=yes
+ LIBS="-lattr $LIBS"
+ else
+ if test "$attr" = "yes" ; then
+ feature_not_found "ATTR"
+ fi
+ attr=no
+ fi
+fi
+
+##########################################
# iovec probe
cat > $TMPC <<EOF
#include <sys/types.h>
@@ -2079,6 +2107,7 @@
echo "vde support $vde"
echo "IO thread $io_thread"
echo "Linux AIO support $linux_aio"
+echo "ATTR/XATTR support $attr"
echo "Install blobs $blobs"
echo "KVM support $kvm"
echo "fdt support $fdt"
@@ -2280,6 +2309,14 @@
if test "$linux_aio" = "yes" ; then
echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
fi
+if test "$attr" = "yes" ; then
+ echo "CONFIG_ATTR=y" >> $config_host_mak
+fi
+if test "$linux" = "yes" ; then
+ if test "$attr" = "yes" ; then
+ echo "CONFIG_VIRTFS=y" >> $config_host_mak
+ fi
+fi
if test "$blobs" = "yes" ; then
echo "INSTALL_BLOBS=yes" >> $config_host_mak
fi
