[PATCH 2/2] add vnc unix sockets to apparmor policy (v2)

[serge@xxxxxxxxxx]

From: Serge Hallyn <serge.hallyn@xxxxxxxxxx>

When using vnc gaphics over a unix socket, virt-aa-helper needs to provide
access for the qemu domain to access the sockfile.

Changelog:
 v2: add testcase to virt-aa-helper-tests to make sure xml with vnc socket
     works.

Signed-off-by: Serge Hallyn <serge.hallyn@xxxxxxxxxx>
---
 src/security/virt-aa-helper.c |    7 +++++++
 tests/virt-aa-helper-test     |    3 +++
 2 files changed, 10 insertions(+)

diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
index e480b30..c6b9903 100644
--- a/src/security/virt-aa-helper.c
+++ b/src/security/virt-aa-helper.c
@@ -1003,6 +1003,13 @@ get_files(vahControl * ctl)
         if (vah_add_file(&buf, ctl->def->os.loader, "r") != 0)
             goto clean;
 
+    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 &&
+                    vah_add_file(&buf, ctl->def->graphics[i]->data.vnc.socket, "rw"))
+                goto clean;
+    }
+
     if (ctl->def->ngraphics == 1 &&
         ctl->def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL)
         if (vah_add_file(&buf, ctl->def->graphics[0]->data.sdl.xauth,
diff --git a/tests/virt-aa-helper-test b/tests/virt-aa-helper-test
index f14db8b..af91c61 100755
--- a/tests/virt-aa-helper-test
+++ b/tests/virt-aa-helper-test
@@ -319,6 +319,9 @@ testme "0" "sdl Xauthority" "-r -u $valid_uuid" "$test_xml"
 sed -e "s,###UUID###,$uuid,g" -e "s,###DISK###,$disk1,g" "$template_xml" > "$test_xml"
 testme "0" "hugepages" "-r -u $valid_uuid -F /run/hugepages/kvm/\*\*" "$test_xml"
 
+sed -e "s,###UUID###,$uuid,g" -e "s,###DISK###,$disk1,g" -e "s,<graphics.*>,<graphics type='vnc' socket='/var/lib/libvirt/qemu/myself.vnc'><listen type='address' address='0.0.0.0'/></graphics>,g" "$template_xml" > "$test_xml"
+testme "0" "vnc socket" "-r -u $valid_uuid" "$test_xml"
+
 testme "0" "help" "-h"
 
 echo "" >$output
-- 
1.7.10.4

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