r8302: import mini HEIMDAL into the tree

(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)

1 files changed, 73 insertions, 0 deletions

diff --git a/source4/heimdal/lib/gssapi/release_cred.c b/source4/heimdal/lib/gssapi/release_cred.c
new file mode 100644
index 0000000000..8ae65dd528
--- /dev/null
+++ b/source4/heimdal/lib/gssapi/release_cred.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. 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. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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 "gssapi_locl.h"
+
+RCSID("$Id: release_cred.c,v 1.10 2003/10/07 00:51:46 lha Exp $");
+
+OM_uint32 gss_release_cred
+           (OM_uint32 * minor_status,
+            gss_cred_id_t * cred_handle
+           )
+{
+    *minor_status = 0;
+
+    if (*cred_handle == GSS_C_NO_CREDENTIAL) {
+        return GSS_S_COMPLETE;
+    }
+
+    GSSAPI_KRB5_INIT ();
+
+    HEIMDAL_MUTEX_lock(&(*cred_handle)->cred_id_mutex);
+
+    if ((*cred_handle)->principal != NULL)
+        krb5_free_principal(gssapi_krb5_context, (*cred_handle)->principal);
+    if ((*cred_handle)->made_keytab)
+	krb5_kt_close(gssapi_krb5_context, (*cred_handle)->keytab);
+    if ((*cred_handle)->made_ccache) {
+	const krb5_cc_ops *ops;
+	ops = krb5_cc_get_ops(gssapi_krb5_context, (*cred_handle)->ccache);
+	if (ops == &krb5_mcc_ops)
+	    krb5_cc_destroy(gssapi_krb5_context, (*cred_handle)->ccache);
+	else 
+	    krb5_cc_close(gssapi_krb5_context, (*cred_handle)->ccache);
+    }
+    gss_release_oid_set(NULL, &(*cred_handle)->mechanisms);
+    HEIMDAL_MUTEX_unlock(&(*cred_handle)->cred_id_mutex);
+    HEIMDAL_MUTEX_destroy(&(*cred_handle)->cred_id_mutex);
+    memset(*cred_handle, 0, sizeof(**cred_handle));
+    free(*cred_handle);
+    *cred_handle = GSS_C_NO_CREDENTIAL;
+    return GSS_S_COMPLETE;
+}
+