As submitted by Openvision Technologies:

To: tytso@MIT.EDU
Subject: gssapi
Date: Fri, 17 Dec 1993 17:55:06 -0500
From: Marc Horowitz <marc@security.ov.com>

This is named in my RCS tree as MIT931217.  The copyright notice
included is (hopefully) final.  Good luck!

		Marc

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@3205 dc483132-0cff-0310-8789-dd5450dbe970

1 files changed, 66 insertions, 0 deletions

diff --git a/src/lib/gssapi/krb5/context_time.c b/src/lib/gssapi/krb5/context_time.c
new file mode 100644
index 000000000..00b8ae3ab
--- /dev/null
+++ b/src/lib/gssapi/krb5/context_time.c
@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+#include "gssapiP_krb5.h"
+
+/*
+ * $Id$
+ */
+
+OM_uint32
+krb5_gss_context_time(OM_uint32 *minor_status,
+		      gss_ctx_id_t context_handle,
+		      OM_uint32 *time_rec)
+{
+   krb5_error_code code;
+   krb5_gss_ctx_id_rec *ctx;
+   krb5_timestamp now;
+   krb5_deltat lifetime;
+
+   /* validate the context handle */
+   if (! kg_validate_ctx_id(context_handle)) {
+      *minor_status = G_VALIDATE_FAILED;
+      return(GSS_S_NO_CONTEXT);
+   }
+
+   ctx = (krb5_gss_ctx_id_rec *) context_handle;
+
+   if (! ctx->established) {
+      *minor_status = KG_CTX_INCOMPLETE;
+      return(GSS_S_NO_CONTEXT);
+   }
+
+   if (code = krb5_timeofday(&now)) {
+      *minor_status = code;
+      return(GSS_S_FAILURE);
+   }
+
+   if ((lifetime = ctx->endtime - now) <= 0) {
+      *time_rec = 0;
+      *minor_status = 0;
+      return(GSS_S_CONTEXT_EXPIRED);
+   } else {
+      *time_rec = lifetime;
+      *minor_status = 0;
+      return(GSS_S_COMPLETE);
+   }
+}