add lastmodified

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23923 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/mcache.c

@@ -45,6 +45,7 @@ typedef struct krb5_mcache {
 	struct link *next;
     } *creds;
     struct krb5_mcache *next;
+    time_t mtime;
 } krb5_mcache;
 
 static HEIMDAL_MUTEX mcc_mutex = HEIMDAL_MUTEX_INITIALIZER;
@@ -93,6 +94,7 @@ mcc_alloc(const char *name)
     m->refcnt = 1;
     m->primary_principal = NULL;
     m->creds = NULL;
+    m->mtime = time(NULL);
     m->next = mcc_head;
     mcc_head = m;
     HEIMDAL_MUTEX_unlock(&mcc_mutex);
@@ -157,6 +159,7 @@ mcc_initialize(krb5_context context,
 {
     krb5_mcache *m = MCACHE(id);
     m->dead = 0;
+    m->mtime = time(NULL);
     return krb5_copy_principal (context,
 				primary_principal,
 				&m->primary_principal);
@@ -252,6 +255,7 @@ mcc_store_cred(krb5_context context,
 	free (l);
 	return ret;
     }
+    m->mtime = time(NULL);
     return 0;
 }
 
@@ -326,6 +330,7 @@ mcc_remove_cred(krb5_context context,
 	    *q = p->next;
 	    krb5_free_cred_contents(context, &p->cred);
 	    free(p);
+	    m->mtime = time(NULL);
 	} else
 	    q = &p->next;
     }
@@ -432,6 +437,8 @@ mcc_move(krb5_context context, krb5_ccache from, krb5_ccache to)
     mto->primary_principal = mfrom->primary_principal;
     mfrom->primary_principal = principal;
 
+    mto->mtime = mfrom->mtime = time(NULL);
+
     HEIMDAL_MUTEX_unlock(&mcc_mutex);
     mcc_destroy(context, from);
 
@@ -450,6 +457,13 @@ mcc_default_name(krb5_context context, char **str)
     return 0;
 }
 
+static krb5_error_code
+mcc_lastchange(krb5_context context, krb5_ccache id, krb5_timestamp *mtime)
+{
+    *mtime = MCACHE(id)->mtime;
+    return 0;
+}
+
 
 /**
  * Variable containing the MEMORY based credential cache implemention.
@@ -479,5 +493,7 @@ KRB5_LIB_VARIABLE const krb5_cc_ops krb5_mcc_ops = {
     mcc_get_cache_next,
     mcc_end_cache_get,
     mcc_move,
-    mcc_default_name
+    mcc_default_name,
+    NULL,
+    mcc_lastchange
 };