usr/src/lib/libgss/g_inq_context_oid.c

   1 /*
   2  * Copyright 2008 by the Massachusetts Institute of Technology.
   3  * All Rights Reserved.
   4  *
   5  * Export of this software from the United States of America may
   6  *   require a specific license from the United States Government.
   7  *   It is the responsibility of any person or organization contemplating
   8  *   export to obtain such a license before exporting.
   9  *
  10  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  11  * distribute this software and its documentation for any purpose and
  12  * without fee is hereby granted, provided that the above copyright
  13  * notice appear in all copies and that both that copyright notice and
  14  * this permission notice appear in supporting documentation, and that
  15  * the name of M.I.T. not be used in advertising or publicity pertaining
  16  * to distribution of the software without specific, written prior
  17  * permission.  Furthermore if you modify this software you must label
  18  * your software as modified software and not distribute it in such a
  19  * fashion that it might be confused with the original M.I.T. software.
  20  * M.I.T. makes no representations about the suitability of
  21  * this software for any purpose.  It is provided "as is" without express
  22  * or implied warranty.
  23  *
  24  */
  25 /*
  26  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  27  */
  28
  29 /*
  30  *  glue routine for gss_inquire_sec_context_by_oid
  31  */
  32
  33 #include "mglueP.h"
  34 #include "gssapiP_generic.h"
  35
  36 #define gssint_get_mechanism __gss_get_mechanism /* SUNW17PACresync */
  37
  38 OM_uint32
  39 gss_inquire_sec_context_by_oid (OM_uint32 *minor_status,
  40                                 const gss_ctx_id_t context_handle,
  41                                 const gss_OID desired_object,
  42                                 gss_buffer_set_t *data_set)
  43 {
  44     OM_uint32           status;
  45     gss_union_ctx_id_t  ctx;
  46     gss_mechanism       mech;
  47
  48     if (minor_status == NULL)
  49         return GSS_S_CALL_INACCESSIBLE_WRITE;
  50
  51     if (context_handle == GSS_C_NO_CONTEXT)
  52         return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT;
  53
  54     /*
  55      * select the approprate underlying mechanism routine and
  56      * call it.
  57      */
  58
  59     ctx = (gss_union_ctx_id_t) context_handle;
  60     mech = gssint_get_mechanism (ctx->mech_type);
  61
  62     if (mech != NULL) {
  63         if (mech->gss_inquire_sec_context_by_oid != NULL) {
  64             status = mech->gss_inquire_sec_context_by_oid(minor_status,
  65                                                           ctx->internal_ctx_id,
  66                                                           desired_object,
  67                                                           data_set);
  68             if (status != GSS_S_COMPLETE)
  69                 map_error(minor_status, mech);
  70         } else
  71             status = GSS_S_BAD_MECH;
  72
  73         return status;
  74     }
  75
  76     return GSS_S_NO_CONTEXT;
  77 }
  78