commit e65667c0c6e016d42abea077e31628ae43f57b74
Author: Daniel P. Berrange <berrange@redhat.com>
Date:   Wed Aug 28 15:22:05 2013 +0100

    Ensure system identity includes process start time
    
    The polkit access driver will want to use the process start
    time field. This was already set for network identities, but
    not for the system identity.
    
    Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

Index: libvirt-1.1.2/src/util/viridentity.c
===================================================================
--- libvirt-1.1.2.orig/src/util/viridentity.c
+++ libvirt-1.1.2/src/util/viridentity.c
@@ -35,6 +35,7 @@
 #include "virthread.h"
 #include "virutil.h"
 #include "virstring.h"
+#include "virprocess.h"
 
 #define VIR_FROM_THIS VIR_FROM_IDENTITY
 
@@ -142,11 +143,20 @@ virIdentityPtr virIdentityGetSystem(void
     security_context_t con;
 #endif
     char *processid = NULL;
+    unsigned long long timestamp;
+    char *processtime = NULL;
 
     if (virAsprintf(&processid, "%llu",
                     (unsigned long long)getpid()) < 0)
         goto cleanup;
 
+    if (virProcessGetStartTime(getpid(), &timestamp) < 0)
+        goto cleanup;
+
+    if (timestamp != 0 &&
+        virAsprintf(&processtime, "%llu", timestamp) < 0)
+        goto cleanup;
+
     if (!(username = virGetUserName(getuid())))
         goto cleanup;
     if (virAsprintf(&userid, "%d", (int)getuid()) < 0)
@@ -198,6 +208,11 @@ virIdentityPtr virIdentityGetSystem(void
                            VIR_IDENTITY_ATTR_UNIX_PROCESS_ID,
                            processid) < 0)
         goto error;
+    if (processtime &&
+        virIdentitySetAttr(ret,
+                           VIR_IDENTITY_ATTR_UNIX_PROCESS_TIME,
+                           processtime) < 0)
+        goto error;
 
 cleanup:
     VIR_FREE(username);
@@ -206,6 +221,7 @@ cleanup:
     VIR_FREE(groupid);
     VIR_FREE(seccontext);
     VIR_FREE(processid);
+    VIR_FREE(processtime);
     return ret;
 
 error: