1 files changed, 153 insertions, 0 deletions
diff --git a/src/lib/gssapi/generic/util_validate.c b/src/lib/gssapi/generic/util_validate.c
new file mode 100644
index 000000000..0c25c2644
--- /dev/null
+++ b/src/lib/gssapi/generic/util_validate.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright 1993 by OpenVision Technologies, Inc.
+ * 
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appears in all copies and
+ * that both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of OpenVision not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. OpenVision makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ * 
+ * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+ * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * $Id$
+ */
+
+/*
+ * functions to validate name, credential, and context handles
+ */
+
+#include "gssapiP_generic.h"
+
+#include <sys/types.h>
+#include <sys/file.h>
+#include <limits.h>
+#include <db.h>
+
+#define V_NAME		1
+#define V_CRED_ID	2
+#define V_CTX_ID	3
+
+typedef struct _vkey {
+   int type;
+   void *ptr;
+} vkey;
+
+static const int one = 1;
+static const DBT dbtone = { (void *) &one, sizeof(one) };
+
+/* All these functions return 0 on failure, and non-zero on success */
+
+static int g_save(DB **vdb, int type, void *ptr)
+{
+   vkey vk;
+   DBT key;
+
+   if (!*vdb)
+      *vdb = dbopen(NULL, O_CREAT|O_RDWR, O_CREAT|O_RDWR, DB_HASH, NULL);
+
+   vk.type = type;
+   vk.ptr = ptr;
+
+   key.data = &vk;
+   key.size = sizeof(vk);
+
+   return((*((*vdb)->put))(*vdb, &key, &dbtone, 0) == 0);
+}
+
+static int g_validate(DB **vdb, int type, void *ptr)
+{
+   vkey vk;
+   DBT key, value;
+
+   if (!*vdb)
+      return(0);
+
+   vk.type = type;
+   vk.ptr = ptr;
+
+   key.data = &vk;
+   key.size = sizeof(vk);
+
+   if ((*((*vdb)->get))(*vdb, &key, &value, 0))
+      return(0);
+
+   return((value.size == sizeof(one)) &&
+	  (*((int *) value.data) == one));
+}
+
+static int g_delete(DB **vdb, int type, void *ptr)
+{
+   vkey vk;
+   DBT key;
+
+   if (!*vdb)
+      return(0);
+
+   vk.type = type;
+   vk.ptr = ptr;
+
+   key.data = &vk;
+   key.size = sizeof(vk);
+
+   return((*((*vdb)->del))(*vdb, &key, 0) == 0);
+}
+
+/* functions for each type */
+
+/* save */
+
+int g_save_name(void **vdb, gss_name_t *name)
+{
+   return(g_save((DB **) vdb, V_NAME, (void *) name));
+}
+int g_save_cred_id(void **vdb, gss_cred_id_t *cred)
+{
+   return(g_save((DB **) vdb, V_CRED_ID, (void *) cred));
+}
+int g_save_ctx_id(void **vdb, gss_ctx_id_t *ctx)
+{
+   return(g_save((DB **) vdb, V_CTX_ID, (void *) ctx));
+}
+
+/* validate */
+
+int g_validate_name(void **vdb, gss_name_t *name)
+{
+   return(g_validate((DB **) vdb, V_NAME, (void *) name));
+}
+int g_validate_cred_id(void **vdb, gss_cred_id_t *cred)
+{
+   return(g_validate((DB **) vdb, V_CRED_ID, (void *) cred));
+}
+int g_validate_ctx_id(void **vdb, gss_ctx_id_t *ctx)
+{
+   return(g_validate((DB **) vdb, V_CTX_ID, (void *) ctx));
+}
+
+/* delete */
+
+int g_delete_name(void **vdb, gss_name_t *name)
+{
+   return(g_delete((DB **) vdb, V_NAME, (void *) name));
+}
+int g_delete_cred_id(void **vdb, gss_cred_id_t *cred)
+{
+   return(g_delete((DB **) vdb, V_CRED_ID, (void *) cred));
+}
+int g_delete_ctx_id(void **vdb, gss_ctx_id_t *ctx)
+{
+   return(g_delete((DB **) vdb, V_CTX_ID, (void *) ctx));
+}
+