Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2007 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions
       8             :  * are met:
       9             :  *
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  *
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * 3. Neither the name of the Institute nor the names of its contributors
      18             :  *    may be used to endorse or promote products derived from this software
      19             :  *    without specific prior written permission.
      20             :  *
      21             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31             :  * SUCH DAMAGE.
      32             :  */
      33             : 
      34             : /* $Id$ */
      35             : 
      36             : #include "mech_locl.h"
      37             : 
      38             : GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
      39           0 : gss_pseudo_random(OM_uint32 *minor_status,
      40             :                   gss_ctx_id_t context,
      41             :                   int prf_key,
      42             :                   const gss_buffer_t prf_in,
      43             :                   ssize_t desired_output_len,
      44             :                   gss_buffer_t prf_out)
      45             : {
      46           0 :     struct _gss_context *ctx = (struct _gss_context *) context;
      47           0 :     gssapi_mech_interface m;
      48           0 :     OM_uint32 major_status;
      49             : 
      50           0 :     _mg_buffer_zero(prf_out);
      51           0 :     *minor_status = 0;
      52             : 
      53           0 :     if (ctx == NULL) {
      54           0 :         *minor_status = 0;
      55           0 :         return GSS_S_NO_CONTEXT;
      56             :     }
      57             : 
      58           0 :     m = ctx->gc_mech;
      59             : 
      60           0 :     if (m->gm_pseudo_random == NULL)
      61           0 :         return GSS_S_UNAVAILABLE;
      62             : 
      63           0 :     major_status = (*m->gm_pseudo_random)(minor_status, ctx->gc_ctx,
      64             :                                           prf_key, prf_in, desired_output_len,
      65             :                                           prf_out);
      66           0 :     if (major_status != GSS_S_COMPLETE)
      67           0 :         _gss_mg_error(m, *minor_status);
      68             : 
      69           0 :     return major_status;
      70             : }