File caf164f1-test-add-user_xattr-check.patch of Package libvirt.1263

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File caf164f1-test-add-user_xattr-check.patch of Package libvirt.1263

Subject: test: add user_xattr check for securityselinuxlabeltest
From: Jincheng Miao jmiao@redhat.com Mon Jun 9 19:36:07 2014 +0800
Date: Thu Jun 26 15:36:46 2014 -0600:
Git: caf164f1e476f254cb67498e8fc615ec1e0dd444

libvirt unit test used setxattr with "user.libvirt.selinux" name to
emulate setfilecon of selinux. But for some old kernel filesystem
(like 2.6.32-431.el6.x86_64), if the filesystem is not mounted with
user_xattr flag, the setxattr with "user.libvirt.selinux" will fail.

So adding testUserXattrEnabled() in securityselinuxlabeltest.c,
if user_xattr is not enabled, skip this case.

The user_xattr is departed in newer kernel, therefore this commit is
only for the compatablity for old kernel.

Signed-off-by: Jincheng Miao <jmiao@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Tested-by: Scott Sullivan <ssullivan@liquidweb.com>

Index: libvirt-1.2.5/tests/securityselinuxlabeltest.c
===================================================================
--- libvirt-1.2.5.orig/tests/securityselinuxlabeltest.c
+++ libvirt-1.2.5/tests/securityselinuxlabeltest.c
@@ -28,6 +28,7 @@
 
 #include <selinux/selinux.h>
 #include <selinux/context.h>
+#include <attr/xattr.h>
 
 #include "internal.h"
 #include "testutils.h"
@@ -56,6 +57,35 @@ struct testSELinuxFile {
     char *context;
 };
 
+static int
+testUserXattrEnabled(void)
+{
+    int ret = -1;
+    ssize_t len;
+    const char *con_value = "system_u:object_r:svirt_image_t:s0:c41,c264";
+    char *path = NULL;
+    if (virAsprintf(&path, "%s/securityselinuxlabeldata/testxattr",
+                    abs_srcdir) < 0)
+        goto cleanup;
+
+    if (virFileTouch(path, 0600) < 0)
+        goto cleanup;
+
+    len = setxattr(path, "user.libvirt.selinux", con_value,
+                   strlen(con_value), 0);
+    if (len < 0) {
+        if (errno == EOPNOTSUPP)
+            ret = 0;
+        goto cleanup;
+    }
+
+    ret = 1;
+
+ cleanup:
+    unlink(path);
+    VIR_FREE(path);
+    return ret;
+}
 
 static int
 testSELinuxMungePath(char **path)
@@ -321,6 +351,12 @@ static int
 mymain(void)
 {
     int ret = 0;
+    int rc = testUserXattrEnabled();
+
+    if (rc < 0)
+        return EXIT_FAILURE;
+    if (!rc)
+        return EXIT_AM_SKIP;
 
     if (!(mgr = virSecurityManagerNew("selinux", "QEMU", false, true, false))) {
         virErrorPtr err = virGetLastError();

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File caf164f1-test-add-user_xattr-check.patch of Package libvirt.1263

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