1 files changed, 81 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/gssapi/krb5/delete_sec_context.c b/crypto/heimdal/lib/gssapi/krb5/delete_sec_context.c
new file mode 100644
index 0000000..abad986
--- /dev/null
+++ b/crypto/heimdal/lib/gssapi/krb5/delete_sec_context.c
@@ -0,0 +1,81 @@
+/*
+ * 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 "krb5/gsskrb5_locl.h"
+
+RCSID("$Id: delete_sec_context.c 19031 2006-11-13 18:02:57Z lha $");
+
+OM_uint32
+_gsskrb5_delete_sec_context(OM_uint32 * minor_status,
+			    gss_ctx_id_t * context_handle,
+			    gss_buffer_t output_token)
+{
+    krb5_context context;
+    gsskrb5_ctx ctx;
+
+    GSSAPI_KRB5_INIT (&context);
+
+    *minor_status = 0;
+
+    if (output_token) {
+	output_token->length = 0;
+	output_token->value  = NULL;
+    }
+
+    if (*context_handle == GSS_C_NO_CONTEXT)
+	return GSS_S_COMPLETE;
+
+    ctx = (gsskrb5_ctx) *context_handle;
+    *context_handle = GSS_C_NO_CONTEXT;
+
+    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
+
+    krb5_auth_con_free (context, ctx->auth_context);
+    if(ctx->source)
+	krb5_free_principal (context, ctx->source);
+    if(ctx->target)
+	krb5_free_principal (context, ctx->target);
+    if (ctx->ticket)
+	krb5_free_ticket (context, ctx->ticket);
+    if(ctx->order)
+	_gssapi_msg_order_destroy(&ctx->order);
+    if (ctx->service_keyblock)
+	krb5_free_keyblock (context, ctx->service_keyblock);
+    krb5_data_free(&ctx->fwd_data);
+
+    HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
+    HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
+    memset(ctx, 0, sizeof(*ctx));
+    free (ctx);
+    return GSS_S_COMPLETE;
+}