Line data    Source code

       1             : /*-
       2             :  * Copyright (c) 2005 Doug Rabson
       3             :  * All rights reserved.
       4             :  *
       5             :  * Redistribution and use in source and binary forms, with or without
       6             :  * modification, are permitted provided that the following conditions
       7             :  * are met:
       8             :  * 1. Redistributions of source code must retain the above copyright
       9             :  *    notice, this list of conditions and the following disclaimer.
      10             :  * 2. Redistributions in binary form must reproduce the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer in the
      12             :  *    documentation and/or other materials provided with the distribution.
      13             :  *
      14             :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
      15             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      16             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      17             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
      18             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      19             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      20             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      21             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      22             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      23             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      24             :  * SUCH DAMAGE.
      25             :  *
      26             :  *      $FreeBSD: src/lib/libgssapi/gss_wrap.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
      27             :  */
      28             : 
      29             : #include "mech_locl.h"
      30             : 
      31             : /**
      32             :  * Wrap a message using either confidentiality (encryption +
      33             :  * signature) or sealing (signature).
      34             :  *
      35             :  * @param minor_status minor status code.
      36             :  * @param context_handle context handle.
      37             :  * @param conf_req_flag if non zero, confidentiality is requestd.
      38             :  * @param qop_req type of protection needed, in most cases it GSS_C_QOP_DEFAULT should be passed in.
      39             :  * @param input_message_buffer messages to wrap
      40             :  * @param conf_state returns non zero if confidentiality was honoured.
      41             :  * @param output_message_buffer the resulting buffer, release with gss_release_buffer().
      42             :  *
      43             :  * @ingroup gssapi
      44             :  */
      45             : 
      46             : GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
      47      744499 : gss_wrap(OM_uint32 *minor_status,
      48             :     gss_const_ctx_id_t context_handle,
      49             :     int conf_req_flag,
      50             :     gss_qop_t qop_req,
      51             :     const gss_buffer_t input_message_buffer,
      52             :     int *conf_state,
      53             :     gss_buffer_t output_message_buffer)
      54             : {
      55      744499 :         struct _gss_context *ctx = (struct _gss_context *) context_handle;
      56         930 :         gssapi_mech_interface m;
      57             : 
      58      744499 :         if (conf_state)
      59      744499 :             *conf_state = 0;
      60      744499 :         _mg_buffer_zero(output_message_buffer);
      61      744499 :         if (ctx == NULL) {
      62           0 :             *minor_status = 0;
      63           0 :             return GSS_S_NO_CONTEXT;
      64             :         }
      65             : 
      66      744499 :         m = ctx->gc_mech;
      67             : 
      68      744499 :         return (m->gm_wrap(minor_status, ctx->gc_ctx,
      69             :                     conf_req_flag, qop_req, input_message_buffer,
      70             :                     conf_state, output_message_buffer));
      71             : }