[libvirt] [PATCH] virt-aa-helper: add NVRAM store file for read/write

[Peter Kieser]

Some UEFI firmwares may want to use a non-volatile memory to store some 
variables.
If AppArmor is enabled, and NVRAM store file is set currently 
virt-aa-helper does
not add the NVRAM store file to the template. Add this file for 
read/write when
this functionality is defined in domain XML.

Signed-off-by: Peter Kieser <peter at kieser.ca>
---
  src/security/virt-aa-helper.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
index 4ce1e7a..2f93172 100644
--- a/src/security/virt-aa-helper.c
+++ b/src/security/virt-aa-helper.c
@@ -1047,6 +1047,10 @@ get_files(vahControl * ctl)
          if (vah_add_file(&buf, ctl->def->os.loader->path, "r") != 0)
              goto cleanup;

+    if (ctl->def->os.loader && ctl->def->os.loader->nvram)
+        if (vah_add_file(&buf, ctl->def->os.loader->nvram, "rw") != 0)
+            goto cleanup;
+
      for (i = 0; i < ctl->def->ngraphics; i++) {
          if (ctl->def->graphics[i]->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
              ctl->def->graphics[i]->data.vnc.socket &&


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