lib/libgssapi/gss_get_mic.c

   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  *      $FreeBSD$
  27  */
  28
  29 #include <gssapi/gssapi.h>
  30
  31 #include "mech_switch.h"
  32 #include "context.h"
  33 #include "utils.h"
  34
  35 OM_uint32
  36 gss_get_mic(OM_uint32 *minor_status,
  37     const gss_ctx_id_t context_handle,
  38     gss_qop_t qop_req,
  39     const gss_buffer_t message_buffer,
  40     gss_buffer_t message_token)
  41 {
  42         struct _gss_context *ctx = (struct _gss_context *) context_handle;
  43         struct _gss_mech_switch *m;
  44
  45         _gss_buffer_zero(message_token);
  46         if (ctx == NULL) {
  47                 *minor_status = 0;
  48                 return (GSS_S_NO_CONTEXT);
  49         }
  50         m = ctx->gc_mech;
  51
  52         return (m->gm_get_mic(minor_status, ctx->gc_ctx, qop_req,
  53                     message_buffer, message_token));
  54 }