support/gssapi/g_unseal.c

   1 /* #ident  "@(#)gss_unseal.c 1.10     95/08/07 SMI" */
   2
   3 /*
   4  * Copyright 1996 by Sun Microsystems, Inc.
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software
   7  * and its documentation for any purpose is hereby granted without fee,
   8  * provided that the above copyright notice appears in all copies and
   9  * that both that copyright notice and this permission notice appear in
  10  * supporting documentation, and that the name of Sun Microsystems not be used
  11  * in advertising or publicity pertaining to distribution of the software
  12  * without specific, written prior permission. Sun Microsystems makes no
  13  * representations about the suitability of this software for any
  14  * purpose.  It is provided "as is" without express or implied warranty.
  15  *
  16  * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  18  * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
  20  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  21  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  22  * PERFORMANCE OF THIS SOFTWARE.
  23  */
  24
  25 /*
  26  *  glue routine gss_unseal
  27  */
  28
  29 #include "mglueP.h"
  30
  31 OM_uint32 KRB5_CALLCONV
  32 gss_unseal (minor_status,
  33             context_handle,
  34             input_message_buffer,
  35             output_message_buffer,
  36             conf_state,
  37             qop_state)
  38
  39 OM_uint32 *             minor_status;
  40 gss_ctx_id_t            context_handle;
  41 gss_buffer_t            input_message_buffer;
  42 gss_buffer_t            output_message_buffer;
  43 int *                   conf_state;
  44 int *                   qop_state;
  45
  46 {
  47     OM_uint32           status;
  48     gss_union_ctx_id_t  ctx;
  49     gss_mechanism       mech;
  50
  51     gss_initialize();
  52
  53     if (context_handle == GSS_C_NO_CONTEXT)
  54         return GSS_S_NO_CONTEXT;
  55
  56     /*
  57      * select the approprate underlying mechanism routine and
  58      * call it.
  59      */
  60
  61     ctx = (gss_union_ctx_id_t) context_handle;
  62     mech = __gss_get_mechanism (ctx->mech_type);
  63
  64     if (mech) {
  65         if (mech->gss_unseal)
  66             status = mech->gss_unseal(
  67 #ifdef USE_MECH_CONTEXT
  68                                       mech->context,
  69 #endif
  70                                       minor_status,
  71                                       ctx->internal_ctx_id,
  72                                       input_message_buffer,
  73                                       output_message_buffer,
  74                                       conf_state,
  75                                       qop_state);
  76         else
  77             status = GSS_S_BAD_BINDINGS;
  78
  79         return(status);
  80     }
  81
  82     return(GSS_S_NO_CONTEXT);
  83 }
  84
  85 OM_uint32 KRB5_CALLCONV
  86 gss_unwrap (minor_status,
  87             context_handle,
  88             input_message_buffer,
  89             output_message_buffer,
  90             conf_state,
  91             qop_state)
  92
  93 OM_uint32 *             minor_status;
  94 gss_ctx_id_t            context_handle;
  95 gss_buffer_t            input_message_buffer;
  96 gss_buffer_t            output_message_buffer;
  97 int *                   conf_state;
  98 gss_qop_t *             qop_state;
  99
 100 {
 101         return (gss_unseal(minor_status, context_handle,
 102                            input_message_buffer,
 103                            output_message_buffer,
 104                            conf_state, (int *) qop_state));
 105 }