Generalize MSLSA ccache type to a plug-in based ccache type

2010-09-18 23:37:32 -04:00
parent a4be8fcd7e
commit cad554ad3d
7 changed files with 110 additions and 107 deletions
--- a/lib/krb5/pcache.c
+++ b/lib/krb5/pcache.c
@@ -0,0 +1,66 @@
+/***********************************************************************
+ * Copyright (c) 2010, Secure Endpoints Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ **********************************************************************/
+
+#include "krb5_locl.h"
+#include "ccache_plugin.h"
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+#include <assert.h>
+
+krb5_error_code
+_krb5_load_ccache_plugins(krb5_context context)
+{
+    struct krb5_plugin * plist = NULL;
+    struct krb5_plugin *p;
+    krb5_error_code code;
+
+    code = _krb5_plugin_find(context, PLUGIN_TYPE_DATA, KRB5_PLUGIN_CCACHE,
+                             &plist);
+    if (code)
+        return code;
+
+    for (p = plist; p != NULL; p = _krb5_plugin_get_next(p)) {
+        krb5_cc_ops * ccops;
+        krb5_error_code c_load;
+
+        ccops = _krb5_plugin_get_symbol(p);
+        if (ccops != NULL && ccops->version == KRB5_CC_OPS_VERSION) {
+            c_load = krb5_cc_register(context, ccops, FALSE);
+            if (c_load != 0)
+                code = c_load;
+        }
+    }
+
+    _krb5_plugin_free(plist);
+
+    return code;
+}