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

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:

Signed-off-by: lvroyce <lvroyce linux vnet ibm com>
 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) {
                 goto error;
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