gssapi: SPNEGO does not reset NTLM RC4 state (#509)

lib/gssapi/ntlm/set_sec_context_option.c

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2006 Kungliga Tekniska H<>gskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2009 Apple Inc. 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 "ntlm.h"
+
+OM_uint32 GSSAPI_CALLCONV
+_gss_ntlm_set_sec_context_option(OM_uint32 *minor_status,
+				 gss_ctx_id_t *context_handle,
+				 const gss_OID object,
+				 const gss_buffer_t value)
+{
+    ntlm_ctx ctx;
+
+    if (context_handle == NULL)
+	return GSS_S_UNAVAILABLE;
+
+    *minor_status = 0;
+
+    ctx = (ntlm_ctx)*context_handle;
+    if (ctx == NULL)
+	return GSS_S_NO_CONTEXT;
+
+    if (gss_oid_equal(object, GSS_C_NTLM_RESET_CRYPTO)) {
+	/* OM_uint32 verify = *((OM_uint32 *)value->value); */
+	_gss_ntlm_set_keys(ctx);
+	return GSS_S_COMPLETE;
+    } else
+	return GSS_S_UNAVAILABLE;
+}