1 files changed, 73 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c b/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c
new file mode 100644
index 0000000000..6dba77e410
--- /dev/null
+++ b/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2006 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 "mech_locl.h"
+RCSID("$Id$");
+
+OM_uint32 GSSAPI_LIB_FUNCTION
+gss_decapsulate_token(gss_buffer_t input_token,
+		      gss_OID oid,
+		      gss_buffer_t output_token)
+{
+    GSSAPIContextToken ct;
+    heim_oid o;
+    OM_uint32 status;
+    int ret;
+    size_t size;
+
+    _mg_buffer_zero(output_token);
+
+    ret = der_get_oid (oid->elements, oid->length, &o, &size);
+    if (ret)
+	return GSS_S_FAILURE;
+
+    ret = decode_GSSAPIContextToken(input_token->value, input_token->length,
+				    &ct, NULL);
+    if (ret) {
+	der_free_oid(&o);
+	return GSS_S_FAILURE;
+    }	
+    
+    if (der_heim_oid_cmp(&ct.thisMech, &o) == 0) {
+	status = GSS_S_COMPLETE;
+	output_token->value = ct.innerContextToken.data;
+	output_token->length = ct.innerContextToken.length;
+	der_free_oid(&ct.thisMech);
+    } else {
+	free_GSSAPIContextToken(&ct);
+ 	status = GSS_S_FAILURE;
+    }
+    der_free_oid(&o);
+
+    return status;
+}