[patch]make rundir permission equals to socket permission to support unprivileged access

[Royce Lv <lvroyce0210@xxxxxxxxx>]

Libvirt-socket-rw and libvirt-socket-ro are not used only for libvirt or root user,
but also for  unprivileged application such as vdsm,
Restrain the rundir only read/search for libvirt prevent comunication
with unprivileged client,change rundir the permission equals to the sockets permission. 
See bug:
https://bugzilla.redhat.com/show_bug.cgi?id=828073

Signed-off-by: lvroyce <lvroyce@xxxxxxxxxxxxxxxxxx>
---
 daemon/libvirtd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/daemon/libvirtd.c b/daemon/libvirtd.c
index c74cd43..6095072 100644
--- a/daemon/libvirtd.c
+++ b/daemon/libvirtd.c
@@ -293,7 +293,7 @@ daemonUnixSocketPaths(struct daemonConfig *config,
             if (!(rundir = virGetUserRuntimeDirectory()))

                 goto error;
 
-            old_umask = umask(077);
+            old_umask = umask(022);
             if (virFileMakePath(rundir) < 0) {
                 umask(old_umask);
                 goto error;
--
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